183 
2726 Dentalium Carpenterianum 
2727 Dentalium megathyris 
2728 Diaphana Californica 
2729 Diplodonta aleutica 
Pribilof to Shumagin Islands. Attains a Pay lg of 25 mm. 
2730 Leptothyra paucicostata rubra 
2731 Limneza Atkana 
Keep, West coast shells—error for Litorina Atkana? 
2732 Mangilia Painei 
2734 Mitra dolorosa 
2735 Miralda Californica 
2736 Odostomia Oldroydi 
2737 Odostomia inflexa 
2738 Patula Chiricahuana Ashmuni 
2739 Pecten Whiteavesi 
2740 Scala Sawinze 
2741 #£=Siphonaria vernalis 
2742 +#«=2Solariella unda 
Descriptions of Nos. 2726-2742 by Dall have not been seen— 
all are West American. 
2743 Zonites Lansingii 
Shell imperforate, orbicular-depressed, shining, dark horn- 
color, smooth above, at base substriate; suture impressed; whorls 
5%, rather convex, the last not descending, obsoletely angular at 
the periphery, more convex at base, excavated around the um- 
bilical region; aperture narrow, lunate; peristome acute, the right 
margin thickened within by an obsoletely denticulated lamella, 
columellar margin scarcely reflected. Greater diam. scarcely 3, 
lesser 2.5, height 1.75 mm.—Bland. 
In damp moist places, among leaves, Astoria, Oregon. _—_Van- 
couver Island. 
2744 Zonites Stearnsii 
Larger, more elevated and more distinctly striated, whorls 7, 
with rather wider and more rounded aperture, but without the 
lamella within the outer margin of peristome. Greater diam. 4, 
lesser 3.5, height 2.5 mm.—Bland. 
Alaska (Dall).—Olympia, Wash.—Astoria and Portland, Ore. 
2745 Zonites Shepardi 
Described by Henry Hemphill, description not seen. 
2746  Pyramidella Adamsi Cpr. 
Synonymy:—FP: conica variegata.—Obeliscus conicus jun. Cpr. 
—O: variegatus Cpr. 
Type locality :—Mazatlan. 
The specimens from California, referred to this in the past, 
are probably all of other species. 
2748 Littorina pullata Cpr. 1864. 
San Pedro, Cal.—Mexico. Resembles L: scutulata, of a dark 
reddish-brown, sometimes checked, with numerous fine spiral lines 
of sculpture. 
2749 Lucapinella callomarginata Cpr. 
San Pedro, Cal.—south. 
2750 Lyonsia inflata Conr. 
2751 Lyonsia nitida Conr. 
2752 Margarita lirulata subelevata Cpr. 
2753 Margarita pupilla salmonea Cpr. 
