AKNOLD — THK PALEONTOLOGY AND STUATIORAl'HY OF SAN PEDRO. 325 



vSlicll conoid. il, tliii'k; wliorls six, slijjlilly convex; slight shoulder posleriorly near suture; 

 ornamentation consists of numerous prominent, line, oblitiue, incremental lines; suture impressed, 

 distinct; umbilicus obsolete; base flat; obsolete spiral ornamentation; outer lip thin, effuse. 



Dimensions. — Long. 28 mm.; lat. 28 mm.; dell. 65 degrees. 



Distinguishable from C. montereyi, which it resembles in siiape, liy more 

 convex wIkhI.-!, obsolete umbilicus and lack of spiral urnamentatioii. 



'riii.s species is rare in the Pliocene of Deadman Island, and in llic upper 

 San I'cdro series of Deadman Island and ( 'rawlisli (Jeorfi,e's. 



lAc'uKj. — Cape Mendocino to San l)it'<:;() (Cooper): .lapan ? (Trvnn). 



Pleistocene. — Santa Barbara Island (Cooper): San i'cdro (Arnold). 



Pliocene. — San Pedro (Arnold). 



373. Chlorostoma funebrale A. Adams. 



Chlorosloma fiinebralc A. An., I'roc. Zool. vSoc, KS54, |). 316. Cru., Brit. A.ssn. Rept., 1863, p. 652. 

 Gabu, Pal. Cal., Vol. II, p. 84. 1869, Cooi'ER, 7th Ann. Rept. Cal. St. Min., 1888, 

 p. 234. Tryon, Man. Conch., Vol. XI, p. 170, PI. XXVIII, figs. 42-44, 1889. Keep, 

 West Coast Shells, p. 84, fig. 71, 1892. Wii.i.iam.son, Proc. U. S. Nat. Mus., Vol. XV, 

 1892, p. 200, PI. XXI, fig. 7. 



Trochus fiinebraiis A. Ad., Fischer, Coq. Viv., p. 173, I'l. l.VII, fig. 3. 



Shell conoidal, thick, black; whorls five, only slightly convex; ornamentation of eight spiral 

 ridges crossed by fine, ohlicpic lirul.i of growth; suture distinct; base flat; ornamentation same as 

 whorls, with the oblique incremental lines brought into ])rominence, as a rule; umbilicus obsolete; 

 outer liji effuse, with one prominent and one smalltr tubercle near umbilical region; inner lip 

 incrusted. 



Dimensions. — Long. iS mm.; lat. 19 mm.; dell. 74 degrees. 



Distin2;uislia!)le bv black color, spiral ridges and ()i)solete umbilicus. 



Rare in the lower San Pedro series of Deadman Island and San Pedro; and 

 ill upper San Pedro series of Deadman Island, San Pedro, Los Cerritos, Long Beach, 

 and Crawfish George's. Found also in tlu' Pleistocene at Barlow's ranch, Ventura; 

 and at Pacific Beach, San Diego. 



Living. — Sitka to San Diego (Cooper). 



Pleistocene. — Santa Barbara to San Diego (Cooper): San Pedro; Ventura; 

 San Diego (Arnold). 



374. Chlorostoma funebrale .4. Adavifi, var. subapertum Carpenter. 



Chlorostoma funebrale \m . subapertum Cpk., Brit. Assn. Rept., 1863, \>. 652. Dall, Proc. U. S. 

 Nat. Mus., Vol. XV, 1892, p. 200, PI. XXI, fig. 6. 



Shell resembles C. funebrak, but differs in having more prominent spiral 

 ridges, which are usually much more rugose, and in having a prominent umbilical pit. 

 Found in same localities as C. funebrale. 



Living. — Vancouver district (Carpenter) : West Coast. 



Pleistocene. — San Pedro (Arnold). 



