26 THE AMERICAN JOURNAL OF CONCHOLOGY. 



Planorbis meniscus, Trinidad; GUPPY, vi, p. 310, fig.: P. declivis, 

 Nicaragua; Tate, v, p. 159: P. hornii, Fort Simpson, Brit. Amer., 

 oregonensis, Oregon; Tryon, i, p. 230, figg. : P. esperanzensis, Cuba, 

 {Planorbula) berendtii, Mexico; Tryon, ii, p. 10, figg. : P. {Gyraulus) 

 circumstriatus, Connecticut; Tryon, ii, p. 113, fig.: tP. {Spirorbis 1) 

 lunatus, Tertiary, Oregon ; Conrad, vi, p. 315, fig. : n. spp. 



Plecotrema hirsuta, Viti Is. ; Garrett, vii, p. 219, fig. : n. sp. 



Pompholyx, note on ; Tryon, v, p. 52 : P. efusa, radula; Bland & Binney, 

 vi, p. 312. 



Pythia lentiginosa, p. 220, perovata, p. 221, Viti Is. ; Garrett, vii, figg. : 

 n. spp. 



SlPHONARIID^ and GaDINIID^. 



iAnisomyon, note on genus ; Dall, vi, p. 39. 



\Deslongchampsia, on the genus; Dall, vi, p. 19. 



Oadiniidce, review of family, with anatomy, and G. arigasi, n. n. for 

 pentegoniostoma, Angas nee Sby. ; Dall, vi, pp. 8-22 : Gadinia 

 and Roivellia, note on; Cooper, vi, p. 319: Reply; Dall, vii, p. 192. 



Liriola, n. sect, of Siphonaria, type S. thersites, Cptr. ; Dall, vi, p. 32. 



Siphonxriidce, on the group and anatomy of ; Dall, vi, p. 30 : S. depressa, 

 figured; Pease, iv, p. 98. 



OPISTHOBRANCHIA TA. 



NUDIBRANCHIATA. 



Aldena{V) albopapillosa, Alaska; Dall, vii, p. 137: n. sp. 

 Bornella arborescens, Tahiti ; Pease, vi, p. 302, fig. : u. sp. 

 Chromodoris variegata, p. 15, mactdosa, p. 16, Tahiti, ricfomaculata, 



Huaheine, simplex, Maiao, p. 17, inornata, lentiginosa, Huaheine, 



p. 18, varians, Huaheine and Maiao, p. 19 ; Pease, vii, figg. : n. spp. 

 Doriopsis, Pease, note on genus with figure of D. viridis, Pease ; Pease, vi, 



p. 299. 

 Doriopsis scabra, Tahiti ; Pease, vi, p. 300, fig. : n. sp. 

 Doris oreosoma, tincta, n. n. respectively for excavata, Pease, papillosa, 



Pease; Pease, iv, p. 132. 

 Doris villosa, debilis, p. 11, Huaheine, compta, Apaian, rubnlineata, Tahiti, 



p. 12, cinerosa, mibilosa, p. 13, Huaheine, sordida, Tahiti, fuscesce7is, 



Maiao, p. 13 ; Pease, vii, figg. : n. spp. 

 Goniobranchus, n. gen. for Doris vibrata, Pease, and others; Pease, ii, 



p. 204. 

 Goniobranchus albomaculatus, p. 204 [figd. vi, p. 201], reticulatus, p. 205, 



Pacific Is. ; Pease, ii : n. spp. 

 Hanstellodoris, n. n. for Doriopsis, Alder and Hancock nee Pease ; Pease, 



vi, p. 300. 

 Lobifera, n. n. for Polybranchia, Pease, with L. nigricans, papillosa. 



Pacific Islands, n. spp. ; Pease, ii, p. 207. 

 Phyllidia nigra, Tahiti ; Pease, iv, p. 80, fig. : n. sp. 

 Placobranchus gracilis, Tahiti, variegatus, Huaheine; Pease, vi, p. 303, 



figg : n. spp. 

 Pterogasteron marginatus, Huaheine, rufescens, nigropu7ictatus, Tahiti ; 



Pease, vi, p. 304, figg. : n. spp. 



