BULLETIN 30 



426 



Fauna of Bluff 1. 

 Bluff 1, Cercado: 



-The following species were collected at 



List 



Terebra haitensis Dall. 

 Conus haytensis Sby. 

 Conus Sewalli, n. sp. 

 Conus stenostomus Sby. 

 Conus granozonatoides, n. sp. 

 Conus gaza J. and P. 

 Conus Karlschmidti, n. sp. 

 Surcula riomaonis, n. sp. 

 Turris albida Perry. 

 Turris albida antillarum Crosse. 

 Drillia cercadonis, n. sp. 

 Drillia venusta Sby. 

 Drillia Henekeni Sby. 

 Drillia islalindae, n. sp., var. 

 Cythara cercadica, n. sp. 

 Cancellaria Barretti Gpy. 

 Cancellaria epistomifera Gpy. 

 Cancellaria Guppyi Gabb. 

 Oliva cylindrica Sby. 

 Marginella coniforrnis Sby. 

 Lyria pulchella Sby. 

 Mitra Henekeni Sby. 

 MitraBerlineri, n. sp. 

 Fusus Henekeni Sby. 

 Fasciolaria semistriata Sby. 

 Fasciolaria carminamaris, n. sp. 

 Xancus praeovoideus, n. sp. 

 Metula cancellata Gabb. 

 Phos Moorei Guppy, (var.) 

 Metulella venusta Sby. 

 Typhis cercadicus, n. sp. 

 Murex domingensis Sby. 



of Species 



Murex domingensis near yaquensis. 

 Murex cornurectus Gpy. 

 Distortrix sirnillimaSby. 

 Cassis sulcifera Sby. 

 Sconsia laevigata Sby. 

 Morum domingense Sby. 

 Cypreea Henekeni Sby. 

 Cypraea Noueli, n. sp. 

 Cyprsea spurca L,inn£. 

 Cyprsea spurcoides Gabb. 

 Cypraga patrespatriae, n. sp. 

 Strombus haitensis Sby. 

 Strombus bifrons Sby. 

 Strombus proximus Sby. 

 Strombus maoensis, n. sp. 

 Crepitacella cepula Gpy. 

 Solarium quadriseriatum Sby. 

 Xenophora delecta Gpy. 

 Natica canrena Linne. 

 Natica Youngi n. sp. 

 Amauropsis Guppyi Gabb. 

 Scapharca golfoyaquensis, n. sp. 

 Scapharca cercadica, n. sp. 

 Glycimeris acuticostata Sby. 

 Pecten soror ? Gabb. 

 Pecten excentricus Gabb. 

 Spondylus bostrychites Gpy. 

 Echinochama anliquata Dall. 

 E. antiquata yaquensis, n. var. 

 Cardium serratum Linne. 

 Antigona Blandiaua Gpy. 

 Chione Heiidersoni Dall. 



Affinities of the Bluff 1 Fauna. — Of this list of Bluff 1 spec- 

 ies 45 per cent occur at Bowden, 28 in Zone F, 25 in Zone B, 

 23 in Zone A, 17 in Bluff 3, 12 in Bluff 2 and 12 in Zone G. 

 But since the number of species in the beds is unlike, 

 the mutual or reciprocal percentage gives a truer relation. 

 For example 28 per cent of the Bluff 1 species occur in 



