nRAfiiioi'onA. 115 



iVrgiopc cistflliila. Dor. Man. Tprtinn/ Bracli. part 1. p. 10. pi. 1 . 



f. \3 i Ann. Nat. Hist. IHo'J, p. 'A^li ; Proc. Zoul. Soc. p. . 



pi. . f. 2H. 

 Hab. Zetland, in 40 fiithonis (M'.VikIitw). 

 Fossil. Miocene. Sufl'olk (Scarlcs Wood). 



5. AnniorE? I'usii.la. 



Shell niiuute, obtnsi'ly subtriangular, depressed, smootli ; dorsal 

 valve transversely oblon<r, depressed in front; ventral valve with 

 a ]>roniiMent beak ; liiiige-line straight, nearly as wide as tlie 

 shell i^area Hat ; deltichiiui large, triangular, striated transversely; 

 foramen minute, apical ? ?). Lon. 1 line. 



Terebratula pnsilla, Eiclnrakl, 1S52, Let/i. 7?o.w. p. 55. t. 3. f. 13. 



Bronn, Index, ]). 1247 (not Sow. or PhiUppi). 

 Terebratula pygniii'a, {Eichw.) Bronn, Letli. p. 90S (not Schl.). 

 Fossil. Miocene. Volhynia. 

 Argiope eistellula, variety of? 



(). Aroiopk decemcostata. B.M. 



Shell minute, somewhat pentagonal, ornamented with about 

 ten corresponding ribs ; larger valve deep ; area as wide as the 

 shell, deep, triangular; foramen large; deltidia narrow, rudi- 

 mentary ; dorsal valve rather flat, furnished internally with a 

 single elevated, central septum (and a very fi-agile two-lobed 

 loop. Siie.ss). Lon. 1, lat. 1, alt. I line. 



Terebratula decemcostata, Rcemer, 1840, Nord. Kreid. p. 41. t. 7- 



f. 13. 



Bronn, Index Pal. p. 1234. 

 Argiope decemcostata, Dav. Mon. Cret. p. \G. pi. 3. f. 1-13. 

 Terebratula Duvalii, Dav. 1847, CharleswortK' s Journal, p. 113. 



pi. 18. f. 15-18. 

 Megathiris cuneiformis, B'Orh. 1847, Ter. Cr^t. p. 147. pi. 521. 



f. l-ll; Prorf. ii. p. 259. 

 Fossil. Chalk. Sweden; England; Belgium; Germany; France; 



Transylvania. 



7. Argiope Bronni. 



Shell minute, cuneiform, depressed, with eight corresponding 

 ribs to each valve; area wide and distinct; foramen large. 

 Lon. 2, lat. 3, alt. 1 lines. 



Ortbis Bronni, Hagenoiv, 1842, Neues Jnhrbuch, p. 543. t. 9. f. 7- 

 Terebratula Bronni, Reenter, Kreid. p. 41. 

 Bronn, Index, p. 1231. 



Fossil. Chalk. Riigen, Baltic. 



