. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 334 Bulletin Museum of Comparative Zoology, Vol. 151, No. 6. Figure 7. Normalized factor loadings for all C. regina samples excluding the Sand Cay dwarfs. Open triangles are samples designated C. utowana abbotti by Clench. The open square is the paratype sample of C. caicosense. of the disputed within the tapering morphotype—so one might suspect the va- hdity of this taxon on morphological grounds. But three other samples desig- nated by Clench as C. utowana abbotti, including the paratypes from South Cai- cos,
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 334 Bulletin Museum of Comparative Zoology, Vol. 151, No. 6. Figure 7. Normalized factor loadings for all C. regina samples excluding the Sand Cay dwarfs. Open triangles are samples designated C. utowana abbotti by Clench. The open square is the paratype sample of C. caicosense. of the disputed within the tapering morphotype—so one might suspect the va- hdity of this taxon on morphological grounds. But three other samples desig- nated by Clench as C. utowana abbotti, including the paratypes from South Cai- cos, plot (as we shall discuss in part C of this section) at expected positions for their islands within the tapering morphospace. Sand Cay's uniqueness is a consequence of its dwarfing—a simple alteration that pro- vokes, via Cerions allometries, a large suite of complex changes producing a large overall excursion for the morphological vector considered in toto (see Gould, 1984b; Gould and Woodruff, 1986 for other mor- phometric analyses of dwarfing in Ceri- on). The Sand Cay population is not the only strongly dwarfed sample of the tapering morphotype. A subfossil sample from South Caicos (765) yields an even more distant outlier attributable to dwarfing; (see Fig. 8 on the representation of all samples, in- cluding the subfossils. Note that axes two and three are reversed relative to Fig. 5, but that the ordering of samples and clus- ters is not altered). Note that the subfossil. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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