602 DR. P. P. CARPENTER ON THE PANDORIDE. [Nov. 22, 
2. Panpora osTusaA, Lam., auct. 
3. PANDORA BREVIFRONS, Sby., Sp. Conch. f. 25, 26; P.Z.8. 
1835, p. 93. 
4. Panpora cisTuLaA, Gld. Otia, p. 77. 
This species is not quoted in the index to the E. E. Moll., but 
appears in the text (p. 396) and in the Atlas (f. 500). In shape, 
but not in texture, it resembles P. oblonga. 
5. PANDORA OBLONGA, Sby., Sp. Conch. f. 10; Hanl. Rec. Shells, 
p- 49. 
The unique type of this species, from Humphrey’s collection, has 
not been found ; it was not described in the P. Z.S., and very closely 
resembles P. rostrata. 
6. Panpora rapiaTa, Sby., P. Z.S. 1835, p. 24; Sp. Conch. 
f, 23, 24. 
7. PANDoRA waRpIANA, A. Ad. P. Z.8. 1859, p. 487. 
No ossicle has been observed in any of the above species. If it be 
found hereafter in living specimens of the grooved P. radiata and 
P. wardiana, they should be removed to the subgenus. The group is 
not local, as appears to be the case with Calodon and Clidiophora, 
being found in both hemispheres and on both sides of the equater. 
Subgenus KenNERLIA*. 
Pandora cartilagine ossiculo tenuiore instructa; lamina exte- 
riore prismatica valve planate radiis plerumque insculpta. 
The typical species have radiating grooves in the exterior prisma- 
tic layer of the right valve. These have not been observed in K. gla- 
cialis, but perhaps the specimens are somewhat decorticated. The 
essential character is the possession of an ossicle. This is well deve- 
loped in K. glacialis, but so thin in the other species that it is often 
hidden in dried shells by the contraction of the cartilage. The first 
species in which it was observed (Dr. Kennerley having sent several 
fresh specimens, preserved in alcohol, to the Smithsonian Institu- 
tion) was 
1. KENNERLIA FILOSA, 0. 8S. 
K. ¢. tenui, planoconvexa, maxime rostrata ; marginibus dorsa- 
libus rectis, ad angulum circ. 160°; ventrali regulariter et 
modice excurvato, postice vir sinuato; epidermide olivacea, 
plerumque erosa, postice corrugata ; lamina externa prismatica 
spongiosa ; valva planata radiatim sulcata (quasi filosa), sulcis 
distantibus; valva convexa, costa obtusissima postice decurrente ; 
* Named in grateful remembrance of the services rendered to science by the 
late Dr. Kennerley, the naturalist to the American N. Pacifi¢. Boundary Survey ; 
whose premature death has interrupted, almost at the onset, our knowledge of 
the dredging-fauna of Puget Sound. 
