APPENDIX. 337 



Solen cylindraceus (t. 12, f. 41), Hani. Z. P. 1843, p. 101. 

 Linear, straight, cylindraceous, moderately strong, white varied with 

 purplish red ; the epidermis slight ; six times as broad as long ; tip 

 of the longer side obtusely rounded, of the shorter side abrupt and 

 concave: hinge terminal, a projecting somewhat crescent- shaped 

 tooth in each valve. £...3. Between 8. linearis and S. brevis. The 

 colouring, in adult examples, is almost confined to the posterior 

 portion. 



Solen Philippinarum (t. 12, f. 4*2), Hani. Z. P. 1843, p. 101. 

 Linear, convex, thick, subarcuated, five times as broad as long, dull 

 yellowish white, covered by a wrinkled dull yellowish olive skin ; 

 front extremity convex, hinder extremity blunt ; beaks placed at the 

 fourth fifth of the total breadth; a sharp, strong and prominent 

 tooth in each valve. 1...5. Nearly allied to S. ambiguus, but more 

 curved, and devoid of coloured rays. Its breadth is equal throughout; 

 the umbones are much flattened. 



Glauconome Chinensis, p. 17, t. 10, f. 17. 



Glauconome rugosa (t. 10, f. 24). — Reeve, Z. P. 1844, p. 19; 

 I. Glauc. f. 4t.—Desh. Verier. 203.— G. Chinensis, Del. t. 19, /. 5. 

 Transversely elongated-oblong, rather more than twice as broad as 

 long, very inequilateral, subventricose, not very thin, white, or 

 greenish, beneath a glossy greenish yellow skin, which is puckered 

 into longitudinal wrinkles in the middle, and concentrically corru- 

 gated at the sides ; ventral edge rising obliquely behind ; front side 

 tapering gradually both above and below to a blunt tip, gaping; 

 hinder extremity unsymmetrically rounded ; umbones much eroded : 

 inside wholly white. 14...3 t 3 q. Manilla. 



G. curta, Hard. t. 14, /. 4,1.— Reeve, Z. P. 1844, p. 20 ; I. Glauc. 

 f. 7. — Desh. Verier, p. 203. Oval, not very inequilateral, thin, sub- 

 ventricose ; cuticle glossy asparagus-green, smooth or finely wrinkled 

 concentrically ; ventral margin convex ; both ends rounded, the front 

 one rather bluntly so, neither of them attenuated ; hinder side filling 

 two-fifths of the entire breadth : umbones eroded ; inside stained 

 with purple; teeth small; pallial sinus short. f...l^. Philippines. 



Solenella Norrisii, p. 17, t. 10, f. 8. The genus should be placed 

 next to Nucula. 



On Panop^ea (p. 18). Consult the monograph by Valenciennes 

 (Archiv. de Musee, vol. 1 ) ; his P. Spengleri (identical with our 

 arctica) must resume the earlier appellation (Norwegica) bestowed 

 upon it by Spengler (Skriv. Nat.). See, too, P. Antarctica and generosa 

 of Gould (Pr. Bost. vol. 3). 



P. Zelanica, p. 18, t. 9, f. 59 ... P. Australis, p. 18, t. 9, f. 24 ... 

 P. Norwegica (as arctica, p. 18, t. 10, f. 42). 



Pholadomya Candida, p. 18, t. 9, f. 57. Middendorff refers the 



2 c 



