ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 619 
A. N. H. Vol. XIV. 
Sp. Page. 
‘ 7. Eulima fuscostrigata. 1 sp. 
45.  ,,  Opalia crenatoides. 1 pertect and a few rubbed specimens. This, and 
the Santa Barbara fossil, O. ?var. insculpta, are so close to the Por- 
tuguese O. crenata, that additional specimens may connect them. 
46.  ,, Truncaria eurytoides. Common; rubbed. Also Guacomayo, in the 
Smithsonian Museum. 
47. 48. Sistrwm (Pochrostoma, var.) rufonotatum; connected with type by a few 
intermediate specimens. Rare; dead. 
48. ,, PMitidella millepunctata. AlsoGuacomayo, Mus.Smiths. Very rare,dead, 
49. ,, Nitidella densilineata. Very rare; dead, 
»,  ?Anachis tincta. 1 sp. 
51. 49. -Anachis fuscostrigata, 1 sp. 
52. ,,  Pisania elata. A few worn specimens; like Peristernia, without plait. 
The following table contains the species previously described, with the ad- 
dition of the other localities in which they are known to occur. The numbers 
in the first column are those in Prof. C. B. Adams’s Panama Catalogue: a 
P in the same column signifies that the species has been found at Panama 
by other collectors. The second column contains the shells of La Paz, col- 
lected by Major Rich and others, and are marked by an italic P. In the 
third column, A shows that the shell has been found at Acapulco, on good 
authority ; and C, that it is known at other stations on the Central American 
coast. The fourth column exhibits the corresponding numbers of the species 
in the B. M. Reigen Catalogue; and G shows that the shell has been found 
in the Gulf district by other collectors. In the fifth column, Cal. stands 
for Upper, and L for Lower California; Marg. for Margarita Bay, Gal. for 
_ the Galapagos, E for Ecuador and the tropical shores of 8. America, and WI 
for the West Indies. The sixth column continues the numbering of the 
species from the list in the ‘ Annals.’ 
Pan. | La |Aca-| Maz.| Other . 
Cat. |Paz.|pul.| Cat. | habitats. No. List of Cape St. Lucas Shells. 
517 A| 14] E 53 | Discina Cumingii. On Margaritiphora. 
P 22) E 54} Gastrochena ovata. In Spondylus. 
A| 23] Marg.) 55) Saxicava pholadis. In Spondylus. 
56 | Eucharis, sp. ind. 1 dead valve, resembling W. 
Indian species. 
P 35 57 | Sphenia fragilis. In Spondylus. 
G 58| Thracia squamosa. 1 broken pair. 
Thracia (Cyathodonta) plicata (“? =truncata, 
Migh.”’). 1 sp., jun. 
aera ere eae 
yy 
= 
on 
© 
e G 60 | Lyonsia inflata. 1 sp. 
36| E 61} Lyonsia picta. 1 valve. 
463} P|C | 55 62) Tellina Cumingii. 1 pair. 
469 A EH 63] Tellina rubescens [= Hanleyi]. Smashed valve. 
(472 64} Strigilla sincera. 1 valve. 
1 A} 67 65 | Strigilla lenticula. Valves. 
P 66 | Lutricola viridotincta. 2 valves. 
485 41 67 | Semele bicolor. Valves. 
4 G | Marg.| 68) Semele Californica, var. Valves. 
5 40) L 69 Semele flavescens. Rare. 
480 A| 43) E 70| Cumingia trigonularis, jan. In Spondylus.- 
473} P| A WI | 71) Heterodonax bimaculatus. Abundant ; normal, and 
numerous vars. 
