98 Moll, 
MOLLUSCA. 
Kelliidj). 
Decipula ovata (Jeft'r.), Osterfjord, Norway, 400 fath. ; Norman, J. of 
Couch, ii. p. 42. 
Kelliella abyssicola (Sars^ is probably not the young of Jsocardia cor; 
id. 1. c. p. 44. 
SoLEMYID^. 
Solemya africana, sp. n., Martens, MB. Ak. Berl. 1879, p. 742, Querimba 
Islands, Coast of Mozambique. 
ASTARTIDiE. 
A^tarte sulcata (Dacosta). Structure of gills, see above in General 
Subject. 
Astarte crenata (Gray) = crehricostata (YovhQs) ; Norman, J. of Conch, 
ii, p. 44. 
Astarte acuticostata (Leche), Novaya Zemlya, copied ; JB. mal. Ges. vi. 
pi. iv. fig. 8. 
Gouldia (C. B. Adams, Cat. of Gen. and Spec, of Shells, January, 
1S47) = Thetis (C. B. Adams, 1845, preoccupied) = Eriphyla (Gabb, 
1864) = Crassinella (Guppy, 1874, nec Conrad), and is anterior to 
Gouldia (Bonaparte, 1850) in Ornithology ; Dali, P. Z. S. 1879, pp. 131 
& 132. 
Gouldia tasmanica (Woods) is the fry of Myochama ; Petterd, J. of 
Conch, ii. p. 354. 
Cardita atkinsoni, sp. n.. Woods, P. R. Soc. Tasm. 1875 [1876], p. 27, 
Tasmania. 
Unionidab. 
Unio pictorum (L.) and tumulus (Retz.). Differences in the teeth of 
the hinge described, with var. n. of the first, pachyodon, rivers Neisse and 
Queiss, Western Silesia, in strongly running water on gravelly and stony 
ground ; Jordan, Nachr. mal. Ges. vi. pp. 300-306, pi. viii. fig. 1, pi. ix. 
U. crassus (Retz.), var. normalise and var. hatavus (Lam.) ; id. 1. c. p. 307. 
Unio kruperi, sp. n. (= elongatulus var., Rossmassler, Iconogr. figs. 
1644 & 1645), Lake of Vrachori, Greece; nitidosus, Missoluugi ; hyzan- 
tinus (Parreyss, MS.), river Sperchios ; dalmaticus, Dalmatia ; robustus 
(Villa, MS.), Lake of Como; subtilis,* England and France, spp. nn., 
* The description of this species is exceptionally copied here, in order that 
some English reader may eventually recognize this supposed species ; — “ Testa 
ovali-subreniformis, convexo-ventrosa, tenuis, fragiliuscula, striato-rugosiuscula, 
pallide olivacea, supra convexo-arcuata, infra subretusa, antice brevis, attenuata, 
postice attenuato-decurvata, in medio dilatata ; umbones subtumidi, rugoso- 
tuberculati ; dens tenuis, elongato-compressus, obscure triangularis, denticu- 
latus ; lamella exserta, breviuscula, incurvata ; margarita albo-caerulea, nitida. 
Long. 35-40, alt. 21-25, diam. 13-15 mm. England, Col. Clark.” No precise 
locality is indicated, --E. v. M. 
