ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 201 



112 



115 



116 



117 



20 



20 



264 



265 



118 



264 



Fig. 



25 



17 



Name. 



20 



20 



18 



22 



Natica Pmaroccaua, var. Califovnica*. — Mus 



Niitt., Brit. 

 Ranella triquetra, Rve. Conch. Ic. pi. 7. f. 41 . 

 — Mus. Nutt., Cum. 

 Extremely like a youugfltularia salebrosa 

 Also resembles R. muriciformis. 

 Mitra maura, teste Nutt. MS. — Mus. Nutt. 

 Olivella glandinaria, Nutt. — Mus. Nutt. 

 "BuccinumPoulsoni,"A'M^tAf5'. — Mus.Nutt. 

 N.B. The Purpura dumosa, Conr. p. 267 

 pi. 20. f. 20 =porphi/rostoma, Rve. 

 teste Jay, is not from California, as 

 given by Jay , Cat. 8 78 1 , (Conrad being 

 silent), but from Wahoo, Sandw. Is, 

 teste Nutt. 



Purpura inacrostoma, Conr 



=P. aperta, Blainv. var., teste Jay's Cat, 

 8942 : — Museo suo. 

 harpa, Conr. — Mus.Nutt. Jay,8980.., 



— emarginata. Desk 



=P. Conradi, Nutt. MS. teste Jay's Cat. 



8972.— Mus. Brit., Cum. 

 Monoceros engonatum, Conr 



— M. unicarinattim, Rve. Conch. Ic. sp. 1 ; 



nonpl, l.f. 1. nee syn. plur. : non Sow 

 nee Desh. 

 Comp. Purpura spirata, Blainv. Nouv, 

 Ann. Mus. i. 1832, pi. 12. f. 8. p. 252, 

 no. 105 ; Kien. Ic. Conch, p. 121. 

 no. 76. pi. 38. f. 90. = 3f. unicarina- 

 tum, pars, Desh. in Lam. An. s. Vert. 

 X. p. 124. no. 10, syn. Angl. exci. — 

 Mus. Nutt., Brit., Jay, 9067. 



— brevidens, Conr 



=M. unicarinatum, Sow. Conch. 111. 



no. 14. p. 4. f. 5, non Rve. nee Desh. 

 = Monoceros, pi. 1. f. 2 (non sp. 2), Rve. 

 Conch. Ic. Non M. breviderttatum, 

 Gray = M. maculatum, Gxa.y = Purpura 

 cornigera, Blainv. Jay, 9045. — Mus. 

 Nutt., Cum. 



— lapilloides, Nutt 



= M. punetulatum, Sow. Conch. 111. p. 4 



no. 13. f. 3. 

 = M. punctatum, Gray, Z. B. V. 1839, 

 p. 124 : — Rve. Conch. Ic. sp. 2. pi. 1. 

 f. 1 (non f. 2).— Mus. Jay 9065, Nutt., 

 Brit., Cum. Possibly these three 

 species are varieties of the same. 

 Murex (Cerostoma) Nuttalli, Conr. [s. g. de- 

 scribed]. Jay, 8298.— Mus. Nutt. 

 Murex monoceros. Sow. jun. P. Z. S. 

 1840, p. 143; Rve. pi. 2, f. 7. 



Locality. 



U. California. 

 San Diego. 



U. California. 



California. 



U. California. 



Sta, Barbara. 



Sta. Barbara. 

 California. 



Sta. Barbara. 



Sta. Barbara. 



Sta. Barbara. 



Sta. Barbara. 



40. In the "Voyage autour du Monde, pendant les annees 1836-37, sur 

 la Bonite : Zoologie, par MM. Eydoux et Souleyet ;" published without date 

 at Paris between the years 1847 and 1851, are to be found beautiful illustra- 

 tions of Cephalopoda and Pteropoda, and various plates of shells without 



* Mr. Reeve figures a " Natica plicatula, Nutt." pi. 23. f. 107, without locality, 

 resembles No. 107, but has a straight umbilicus. 



It closely 



