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The behavioral repertoire of the Puerto Rican anoles, Anolis cooki, A. cristatellus and A. monensis was studied in the laboratory. The display of A. cooki and A. monensis revealed great similarities; consisting of one head bob pattern highly stereotyped in its temporal sequencing and total duration, sometimes accompanied by non-stereotyped dewlap movements. A. cristatellus display behavior consisted of two distinct head bob patterns (Type A and Type B). The A display is strongly stereotyped and used in the assertion and courtship contexts, while B display is less stereotyped and appeared only in the challenge context. Similar display modifiers used during aggressive interactions were found in A. cooki, A. cristatellus, A. monensis and two other Puerto Rican anoles, A. evermanni and A. gundlachi. In all these species the modifiers were progressively added during prolonged aggressive encounters and seemed to indicate the increasing arousal of the combatants. A grading scale was designed to measure the level of aggression in conspecific and congeneric interactions. It was based on the different behaviors that the lizards used during their agonistic encounters. The scale assigned a numerical value to each behavior according to their order of appearance in the sequence of behaviors performed in the encounter. Thus, a numerical value was derived for the level of aggression exhibited in each interaction, and that was called the "aggression index" (AI). The AI of A. cooki and A. cristatellus conspecific interactions was significantly higher than the AI of their congeneric interactions. The high AI of the cooki-cristatellus interactions was not explained by Murray's (1971) "mistaken identity argument", but as a function of their wide overlap in resource requirements. / Master of Science

Thesis. 1978. M.Arch.A.S.--Massachusetts Institute of Technology. Dept. of Architecture. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH. / Bibliography: p. 72. / M.Arch.A.S.

At the turn of the 19th Century, Puerto Rico, like other places of the world, served as a stage for the inauguration of a new form of organization of capitalism, dominated by finance capital. I name this process: bankarization. During the 19th Century, the bankarization was made visible through the foundation of different banks; among these was Banco Popular de Puerto Rico. This dissertation examines how Banco Popular, founded in 1893, has acted as protagonist in the bankarization of Puerto Rico. It also maps how in Puerto Rico, Banco Popular, together with the government, strategically appropriates the popular/lo popular through its will to performance, thereby producing the state identification effect. This dissertation studies the performance of Banco Popular and its intervention in three stages: 1) the economic elite, from its foundation, the different banking mergers and the construction of the ciudad bancaria. 2) the governmental, by showing how porous is the border between the public-government and the private-bank. 3) the popular, by making visible the different moments of performance that show the formation of the banca-pueblo as an effective mean to make capitalism “popular.” In addition, by paying attention to a television video series by Banco Popular that began in 1965 and serve as a strategy to produce the identification effect. This research combines ethnography and performance analysis to generate a critique about the intervention of capital and the State in the production of the national imaginary and the assumption of a common Puerto Rican subject. It examines the particular proposal about identity and the performative means that Banco Popular chooses in its intervention to produce the identification effect. I propose that Banco Popular validates and promotes Hardt and Negri’s identitarian formula of “love of the same” by referencing the racial mix that silences, homogenizes, harmonizes and banalizes. This scenario serves to promote particular political and economic interests which in turn reproduce social relations of power. / text

Municipal solid waste (MSW) management has been a challenging issue throughout history. Waste management options have evolved, but they can present distinct environmental impacts, such as the emission of greenhouse gases (GHG). This study quantified the environmental benefits (i.e., greenhouse gas emission and energy use reductions) of various MSW management plans proposed for Puerto Rico through the use of the Waste Reduction Model (WARM). The waste management initiative known as the “Base Case” was found to offer the most environmental benefits. Thus, higher benefits can be attained from the implementation of an integrated solid waste management / Department of Natural Resources and Environmental Management