174 
and varices, but having the nuclear shell smaller, the test less” 
heavy, the varices nearly vertical to the surface of the whorl, in- 
stead of refiected, which makes them appear sparser, tho’ really 
the same number occur on the whorl; varices are narrower, peri- 
stome less heavy and wide. Long. 3.25, max. diam. 1.6 mm.’’— 
Dall, Nautilus 20:127. 
Type localiy:—Monterey bay, Cal., in 12 fms. (S. S. Berry). 
2540 Scala (Cirostrema) Montereyensis 
“Shell small (probably not full grown), the nucleus lost but 
with 5 subsequent rapidly increasing whorls; shell substance in 
2 layers, inner translucent white, solid, outer opaque, frothy, po- 
rous, with numerous puncticulations arranged in harmony with 
the incremental lines, except on the basal disk where they form 
spiral lines; varices low, solid, with a spongy surface, 9; basal 
disk conspicuous, slightly concave; bordered by a conspicuous 
cord; aperture gibbous, patulous near the imperforate axis. Long. 
2.5, diam. 1.5 mm.’’—Dall, l. c. 128. 
Type locality:—off Del Monte, Monterey bay, Cal., in 25 fms. 
(S. S. Berry). 
2541 Stearns, R. E. C. S. 
Fossil mollusca from the John Day and Mascall beds of Ore- 
gon, Univ of Cal, Geol pub b 5:67-70. New species are Epiph- 
ragmophora dubiosa, Pyramidula Lecontei and Lymnzea maxima. 
———— 9 
2542 Cockerell, T. D. A. 
Fossil mollusca of Florissant, Colo. Amer Mus Nat Hist b 22: 
1906. New species are Omphalina laminarum, Planorbis floris- 
santensis, Lymnza Sieverti and Scudderi, and Spherium fioris- 
santense. Proposes also Columna haydeniana as a new name for 
Bulimus teres M. & H. (not Oliver). 
—__—_9 —_—____—. 
2543 Pilsbry, H. A. and J. H. Ferriss: 
Notes on some New Mexican Ashmunellas. Nautilus 20:133-4. 
Notes on forms No. 2544-2548. 
2544 Ashmunella rhyssa townsend 
Based on No. 24838. 
2545 Ashmunella rhyssa 
2546 Variety hyporhyssa 
Based on No. 2022. 
2547 Variety miorhyssa 
Based on No. 1962. 
2548 Variety edentata Ckll. 
2549 Stearns, R. E. C. 
Abalones and the earthquake. Nautilus 20:135. 
2550 Epiph. (Micrarionta) Hutsoni 
Clapp, Nautilus 20:136. About 8 miles from Quartzsite, 
Yuma Co., Arizona (Geo. S. Hutson). Pilsbry, Nautilus 20:138, 
‘fon the soft anatomy.’’ 
2551 ~=«O2Bifidaria agna 
Pilsbry & Vanatta, Nautilus 20:141. Trinidad, Colo. 
2552 Mitra Fultoni 
West coast of Mexico. 
2553 Mitra Idz Melville. 
Synonymy:—Mitra maura, as to Californian literature; that 
of Swains is said to be Peruvian. 
2554 Mitra orientalis Gray. 
These shells are discussed and figured by Mrs. M. Burton 
Williamson, in Wash biol soe pr 19:— (1906). 
