482 CEETACEOIJS PELECTPODA 



teeth under the beak;' type, S, lineolatus, from cretaceous rocks. Conrad states 

 that the genus is allied to Leptosolen, though as to form it rather appears to exhibit 

 greater relation to some Tellinid^^ and as regards the hinge4eeth of the right 

 valye it is allied to Solecurtus, 



Page 98. — 14. Cleidophorus. I have again referred to this genus in the Family 

 SoLBMYiDM, p. 269 ; it is difficult to decide upon its classification, until the hinge 

 has been made correctly known. 



Page 100, after No. 34, add — Solyma Uneolatus, Conrad, (loc. cit.) from cre- 

 taceous beds of Haddonfield, New Jersey. 



^ Family, — Tellinid^e. 



Page rf?r lender ^f, Linear ia, Con., note some additional information given 

 about the genus in Am. Journ. of Conch., vol. VI, p. 73. Conrad states that 

 when he first proposed the name, he had not seen the hinge of the right valve, 

 which shows " two small diverging, nearly equal teeth, directed obliquely forward, 

 the anterior one very oblique ; and two rather long lateral very distinct pits, the 

 posterior one very distant from the apex." 



Page 118. '8^. Tellinimera' Conrad (Am. Journ. Conch., VI, p. 73,) writes 

 now Tellvmera, w^hich name is hardly an improvement upon the original denomina- 

 tion. He considers T, eborea^ Con., as type, and adds the following characteristic 

 of the hinge of the left valve : 'cardinal teeth two; anterior one V (?A-) -shaped, 

 nearly direct, or slightly directed anteriorly; the posterior tooth bifid, oblique; 

 posterior lobe thick, and longer than the anterior lobe ; cardinal plate comparatively 

 broad laterally, posteriorly channelled ; anteriorly with a small pit, apparently for 

 the reception of a lateral tooth.' 



On page 119 add — 



8(9. Aenona, Conrad, 1870, (Am. Journ, of Conch., VI, p. 74). ■ Equivalved, 

 without fold ; hinge character : two compressed, very small, widely diverging 

 teeth in the right valve ; lunule very narrow, lanceolate, and marked by a deeply 

 impressed line;' type, Tellina Ijufalensis, Con,, (see p. 124, No. 46). This species 

 is described as a sub-triangular, inequilateral shell, with the hinge margins 

 equally declining, summit (? beaks) not prominent, '^ left valve furnished with one 

 bifid and one rudimentary cardinal tooth; lateral teeth distinct." 



I am at a loss to know why this shell should form a separate genus. The 

 characteristics given by Mr. Conrad could apply as well to about half a- dozen of 

 other sub^genera of Tellina, 



Page 124 add— 



4<2a, 4i2b. Tellina multistriata et scutiformis, Briart et Cornet, (Eoss.de 

 Bracquegnies, pp. 78 and 88, pi. viii, figs. 14-15 and 16-17, in Mem. Cour. Acad., 

 Belg., vol. xxxiv) ; both belong to Linearia. 



74a. Tellina [Aenona] papyria, Conrad, from cretaceous beds at Haddon- 

 field, New Jersey, (Am. Journ. Conch, VI, p. 74). 



