100 Moll 
VII. MOLLUSCA. 
P. trisulcatus , Conrad, n. var.; Dall & Simpson, Bull. U. S. Fish 
Comm. 1900, i, p. 493. 
Phacoides bermudensis , Bermuda, crenella, E. United States, pp. 810, 825, 
amiantus , E. United States to Brazil, pp. 810, 826, lamprus , California, 
pp. 811, 827, heroicus, Gulf of California, pp. 812, 828, approximative , 
California, pp. 813, 828 ; Dall, P. U. S. Mus. xxiii, figg. : n. spp. 
Pisidium tenuissimum , p. 99, monas, streatori , p. 100, United States; 
Sterki, Nautilus xiv : P. affine, p. 66, sargenti , p. 77, United States; 
Sterki, op. cit. xv : n. spp. 
Pleurolucina , n. sect, of Here, type Lucina leucocyma, Dall; Dall, P. U. S. 
Mus. xxiii, p. 805. 
Pompholigina , apparently n. sect, of Bivaricella , type Lucina gibba , Gray ; 
Dall, t. c. p. 814. 
Quadrula lananensis , Texas ; Frierson, Nautilus xv, p. 75, fig.: n. sp. 
Scintilla sulphurea , p. 286, variabilis , p. 287, Red Sea ; Sturany, Ber. 
Comm. Ocean. Forschungen vii, figg. : n. spp. 
Spkcerium inutile , Japan; Pilsbry, P. Ac. Pliilad. 1901, p. 406: S. 
crassum , p. 140, walkeri , p. 141, Michigan ; Sterki, Nautilus xiv : 
n. spp. 
Strophitus wrightianus , Georgia ; Walker, op. cit. xv, p. 65, fig.: n. sp. 
t Tauraxinus, n. subg. of Cryptodon for T. mioncgosus, n. sp., Helvetian, 
Piedmont; Sacco (490), p. 61. 
Thyasira bisecta , conia , figd.; Dall (146). 
Thyasira conia , Porto Rico; Dall & Simpson, Bull. U. S. Fish Comm. 
1900, i, p. 490 : T. excavata , W. America, tomeana , Chile, pp. 790, 
818, magellanica , W. Patagonia, pp. 790, 819 ; Dall, P. U. S. Mus. 
xxiii, figg. : n. spp. 
Tridonta cagnii , Cape Fligely, Franz Josefs Land, car alii, Bay of Teplitz ; 
Pollonera, Boll. Mus. Torino xvi, No. 392 : n. spp. 
Unionidce, notes on ; Sterki (563): On French species ; Bonnemere (61): 
Notes on North American fauna; Ihering (262): Classification; 
Simpson, Nautilus xv, p. 77 : U. fndistorferi , figd.; Bavay & Daut- 
zenberg, J. Conchyl. xlix, p. 5. 
Unio briarti , Congo Free State; Dautzenberg, Ann. Soc. malac. Belgique 
xxxvi, p. 6, fig.: U. messageri , Indo-China ; Bavay & Dautzenberg, 
J. Conchyl. xlix, p. 7, fig.: U. missouriensis , Missouri; Marsh, Nautilus 
xv, p. 74 : n. spp. 
Vajticinaria, n. gen. for Cryptodon moseleyi and luzonicus , Smith; Dall, 
P. U. S. Mus. xxiii, p. 830. 
PSEUDOLAMELLIBRANCHIA TA. 
t Amphijanira, n. subg. of Pecten for the group of P. janinda ; Bittner 
(46), p. 49. 
Amussium steindachneri, siebenrocki, Red Sea; Sturany, Ber. Comm. 
Ocean. Forschungen vii, p. 269, figg. : n. spp. 
t Anomolima, n. gen., type Lima maxima , d’Archiac; Philippi, Zeitschr. 
Deutsch. geol. Ges. lii, p. 635. 
f A ntijanira, n. subg. of Pecten; Bittner (46), p. 49. 
Atrina oldroydii, California; Dall, Nautilus xiv, p. 143: n. sp. 
iAucella, on the morphology, pliylogeny, taxonomy and distribution of the 
group; Pompeckj (458). 
+ Aucellina, n. gen. for Avicula aptiensis , d’Orb. and A. gryphceoides , Sby.; 
Pompeckj, N. Jahrb. Min. B. B. xiv, p. 365. 
Avicula , anatomy; Grobben (217). 
t Avicidolima, n. gen. for A. jaekeli , n. sp.; Philippi, Zeitschr. Deutsch. 
geol. Ges. lii, pp. 622-624. 
