179 
Synonym of C: californiense. 
2642 Cardium ciliatum O. Fabr. 
Puget Sound, north thru the Arctic, south to Cape Cod, on the 
Atlantic coast. Shell small, bearded; variable—many forms 
hamed. 
2643 Cavolinia tridentata Forsk 
Sea butterfly; shell shaped like a small button, with 3 small 
projections or points at one end, of which the middle one is long- 
est; thin, hollow, horn-colored. These live near the surface of the 
ocean, and this species has been washed ashore in southern Cal. 
2644 Cerithidea Californica 
Formerly called sacrata—which see. 
2645 Cerithiopsis connexa Cpr. 
2646 Cerithiopsis metaxze Cp. 
2647 Cerithiopsis Stephansi Bartsch. 
2648 Cerithiopsis purpurea Cpr. 
Nodules on the shell fine; stained with purple; common at 
Pacific Grove, Cal. (Berry). 
3649 Chrysodomus dirus Reeve. 
Synonymy:—LEuthria dira (see No. 799). 
Sitka, Alaska.—Monterey, Cal. 
2650 Columbella aurantiaca Dall. 
Shell 5 mm. long, translucent, orange to brown, sometimes 
with zigzag brown markings. Monterey, Cal., among rocks, at 
low tide mark. 
‘2651 Cooperella subdiaphana Cpr. 
Shell thin, glistening white, quite swollen; hinge-teeth central, 
the strong ligament situated almost between the prominent beaks; 
about 12 mm. long. Southern Cal. 
2652 Crassatella fluctuata Cpr. 
2653 Crenella affinis Dall. 
2654 Cuspidaria striata Jeff. 
2655 Cyclichna alba Brown. 
White cup-shell; 10 mm. long, cylindric, tapering toward each 
end; occurs on the Atlantic coast and in Southern California ac- 
cording to Keep. 
2656 Cythara densistriosa Cpr. 
2657 #$Cythara fusconotata Cpr. 
2658 Bartsch, Paul: 
Notes on the genus Sonorella, with descriptions of new species. 
Smith Mise Coll 47:187-200, t 28-33. Notes on Nos. 2659-2670; 
also describes Fisheri, Baileyi and variety Orcutti, Dalli and Ash- 
muni. 
2659 Sonorella Indiocensis 
Based on Helix Carpenteri var. Indioensis Yates. 
2660 Sonorella coloradoensis 
Based on Helix coloradoensis Stearns. Questions the locali- 
ties in Inyo and San Diego counties, Cal. 
2661 Sonorella Hachitana 
Based on Epiphragmophora hachitana Dall (in part). 
2662 Sonorella Nelsoni 
Type locality:—Lake Santa Maria, Chihuahua, Mexico. 
2663 Sonorella Goldmani 
Type locality:—same as last. 
2664 Sonorella Merrilli 
Type locality: —below San Quintin, Baja Cal. 
2665 Sonorella Mearnsi 
Type locality: San Jose Mts., Sonora, Mexico. 
2666 Sonorella Magdalenensis 
Based on Helix Magdalenensis Stearns. 
