82 Moll. 
VII. MOLLUSCA. 
IV. PELECYPODA. 
Pelecypoda:—Structure of the hinge; Noetlixg (356, 357). 
Morphology and Phylogeny of Pelecypoda ; Philippi (386). 
Pelecypoda , classification by, and study of, the hinge; Vest (569, 570). 
SEP TIBRANCHIA TA. 
[None.] 
E ULA MELLIBRA N CHI A TA. 
ANATINACEA. 
Myodora quadrata , Indian Ocean; Smith, Ann. Nat. Hist, iv, p. 250: 
n. sp. 
Parilimya , n. subgen. of Pholadomya for P. haddoni , n. sp.; Melvill & 
Standen, J. Linn. Soc. xxvii, p. 202. 
Pholadomya ( Parilimya , n. subgen.) haddoni , Torres Straits; Melvill & 
Standen, t. c. p. 202, fig.: n. sp. 
PHOLADACEA. 
Mechanism of boring; Lloyd (267). 
Calobates and Nausitoria, note on; Hedley (201), p. 507. 
Nausitoria aurita, Funafuti; Hedley, Mem. Austral. Mus. iii, p. 507, 
fig.: n. sp. 
Teredo , its anatomy ; Beuk (26). 
Teredo ( Xylotrya) martensi , Straits of Magellan; Stempell, Zool. Jahrb. 
Suppl. iv, p. 240, fig. : n. sp. 
MYACEA and CARDIACEA. 
Cardium edule , anatomy and economics; Johnstone (230). 
Cardium (Trachy cardium) dianthinum , p. 190, serricostatum, transcendens, 
p. 191, Torres Straits; Melvill & Standen, J. Linn. Soc. xxvii, 
figg. : n. spp. 
Clunaculum , n. sect, of Novaculina for Solecurtus mollis , Sby. ; Dall, 
P. U. S. Mus. xxii, p. 111. 
Ensis californicus, California; Dall, P. U. S. Mus. xxii, p. 110: n. sp. 
f Hippurites, evolution of ; Toucas (550). 
Papillicardium (Monts. MS.), n. subgen. of Cardium for C. papillosum , 
Poli; Sacco (451), pt. xxvii, p. 44. 
f Rothpletzia, n. g. for R. rudista , n. sp., Canary Islands; Rothpletz & 
Simonelli, Boll. Com. geol. espan. xxiii, 1898, p. 48, figg. 
Solenidce of North America; Dall (117): S. sloanii , animal; Hedley, 
P. Linn. Soc. N. S. Wales xxiv, p. 432. 
Rolen mexicanus , Mexico; Dall, P. XJ. S. Mus. xxii, p. 110: n. sp. 
Sphenia hatclieri, Patagonia; Pilsbry, Amer. J. Sci. vii, p. 128, fig.: n. sp. 
Tagelus poeyi, Cuba, Nicaragua, and Brazil; Dall, P. U. S. Mus. xxii, 
p. 112: n. sp. 
Tridacna, its anatomy; Grobben (183). 
Tridacna obesa , Philippines; Sowerby, P. Malac. Soc. London iii, p. 210, 
fig.: n. sp. 
