618 
REPORT—1863. 
able to report concerning them. The first notice of the shells appears in the 
Proc. Ac. Nat. Sc. Philadelphia, Dec. 1859, pp. 331, 332. The new species 
are described in the ‘ Annals and Magazine of Nat. Hist.,’ 1864, vols. xiii. and 
xiv., as follows :— 
A.N.H. Vol. XIII. 
nD 
S SUP C9 bo FS 
Page. 
dll. 
7) 
312. 
Asthenotherus villosior, nu.g. 1 living sp. and fragm. 
Solemya valvulus. 1 living sp. 
Tellina (Peroneoderma) ochracea. 1 sp. 
Psammobia (? Amphichena) regularis. Valves. 
Callista pollicaris. 1 sp., living (= C. prora, var., teste Rye., C. I. f. 45). 
Callista (2pannosa, var.) puella. Extremely abundant, living. Also 
Acapulco, Jewett. (Very variable, yet always differing from the 
typical South American shells.) 
LTiocardium apicinum. Extremely abundant, living. Also La Paz; Aca- 
pulco, Jewett. 
Lucina lingualis. Extremely abundant, valves. 
? Crenella inflata. Valves; very rare. (Anaberrant form.) Also Panama, 
C. B. Ad. 
Bryophila setosa, nu.¢. Abundant; living among sea-weed, on Purpura 
planospira. Also California, Cooper. 
PAtys casta. Rare: allied to Cylchna. 
Ischnochiton parallelus. Rare; living. 
Ischnochiton (?var.) prasinatus. 1 living sp. Possibly a form of paral- 
lelus. 
Ischnochiton serratus. 1 living sp., like Elenensis. 
Nacella peltoides, = Nacella, sp. ind., Maz. Cat., no. 262. 
Acmea (?var.) atrata. Intermediate between P. discors, Phil., and P. 
Jfloccata, Rye. Also La Paz, Margarita Bay. 
Acmea strigillata. Tntermediate in characters and station between 
A. patina and A. mesoleuca. Also Margarita Bay. 
Glyphis saturnalis. Not uncommon ; living. 
Eucosmia variegata. (Probably a subgenus of Phastanella,) Rare, dead. 
Eucosmia (?variegata, vax.) substriata. Very rare. 
Eucosmia punctata. 1 sp. 
Eucosmia cyclostoma. 1 sp. 
Haplocochlias cyclophoreus, n. g. (? Related to Ethalia.) Very rare, dead. 
Narica aperta. 1 sp. 
Fossarus parcipictus. 3 sp. 
Fossarus purus. 1 sp. 
Litorina pullata,= Intorina, sp. ind., Maz. Cat., no. 399. Abundant. 
Litorina (Philippii, var.) penicillata. Like the W. Indian L. (ziczac, var.) 
lineata. Abundant. 
Rissoa albolirata. 1 sp. 7 
Fenella erystallina. 1 sp. | 
? Hydrobia compacta. May be a Barleeia. 1 sp. 
Hyala rotundata. 1 sp. 
?Diala electrina. 1 sp. 
Acirsa [teste A. Ad.] menesthoides. 1 sp. 
Cythna asteriaphila. Imbedded in a star-fish, like Stylina. 1 living sp. — 
Bittium nitens. 1 sp. 
Mangelia subdiaphana. 1 sp. 
Drillia appressa. 1 sp. 
Cithara fusconotata. Very rare. 
Obeliscus variegatus. 2 worn sp. Described from a fresh Guaymas 
shell, Mus. Cal. Ac. 
(Odostomia) Evalea equisculpta. 1 sp. 
(Odostomia) Evalea delicatula. 1 sp. 
Chrysallida angusta. 1 sp. 
7 
