428 CEETACEOUS PELECYPODA 



Pecten and its sub-genera^ (vide Pict. and Camp.^ 1. cit._, p. 210). 



1.2. — Pecten Astieriamts, d''Orb.^ (= Etith^mi, Pietet)^ MartiniamiSj d^Orb. 



3.4. — (fPect.) icaunensisy Cott._, f .^ Pect, J proboscideus, d'Ovh. ; these two species appear 

 to be closely allied to Cteiiostreo7i (see p. 413), 



5.15. — p, Goldf%ssi, Desh._, P.. \_? Chlami/s] lineato -co status, Ecemer (Ool.^ pi. 18^ fig. 27)^ 

 P. Archiacianus, d^Orb., P, sanct^e-crucis, P. and Camp._, P. Carteroni, d^Orb.^ P. Lardyi, P. and 

 C._, P. JJrgonensis, Lor.^ P. Lmtderonensis , Lor.^ P. Coqiiandianns, d''Orb.^ P, Bobinaldinus , 

 d^Orb. (=ohliqu%s, Porbes^ = interstriatus , Leym., = aptiensis, P. and Eoux) ; P. Oosteri, Lor. 



16-17. — P. \_Camptonectes'] striata -punctatMS, Ecemer^ P. \_Camptonectes'] arzierensis, Loriol. 



18-22. — P. [_Pseudamusmm'] aljpinns, d^Orb.^ (=^ P. Agassizi, Pict. et Loriol)^ P. {Byncij- 

 clonema\ Cottaldinus, d-'Orb.^, P. [Pseudamusmni] crassitesta, Roem._, P. \8yncyclonem(i\ Mathero- 

 nianus, d^Orb._, f^mlchelluSj Math.^ non Nilsson)^ P. \_Camptonectes'] Lusitanicus, Sharpe. 



23-27.-— P. [^ Syncyclonema] Greppini, P. and Renev.^ P. aptiensis, d^Orb.^ (interstriatus, 

 d^Orb.^ non Miinster)^ P. Dmihreij Coq.^ P. Morellensis, Coq.^ P. Achates, Coq. 



28-38. — P. Dutemplei, d'Orb.^ P. Baulinianus, d^Orb.^ P. \_CJilamys'] Rhodani, P. and Eoux^ 

 P. Saxoneti, P. and Eoux, P. Ricordeanus, Cott., P. \_^ Syncyclonema'] Darius, d^Orb., P. Vraco- 

 nensis et r«^«?^i, P. and Camp., P. [5y;^^yc^;^^;^^«] orUcularis, Sow.^ P. \C]ilamys'\ asper. Lam., 

 P. ( ? Pseiidarmisinm) pygmmus, Buv. 



39-41. — P. composittts, Milleri et StutcJihurianus, Sow. 



42. — P. Beaveri, Sow., resembles in shape and in the form of the ears Amusium, but the 

 radiating ribs are of exactly the same character as usually seen in CMamys, 



43. — P. triplicatus, Mant. The description does not exactly correspond with the figure; 

 the latter represents an imperfect shell, more resembling the flat valve of a Tola than anything 

 else. 



44-50. — P. oUiqims, Sow., P. \_CJilamys] cemmanensis , d'Orb., P. suhacntns, Lam., ( = Brong- 

 niarti, d'Orb.), P. elongatus. Lam., P. Galliennei, d'Orb., P. [8yncyclonema'\ Neptuni, d'Orb., 

 P. [_Syncyclonema'\ Calypso, d^Orb. 



51-60. — P. \_Camptonectes'\ Rotomagensis, d^Orb., P. Passyi, suhdepressus et stibinterstriatus , 

 d'Arch., P. {Camptonectes'\ virgattis, Nils, (non idem apud d'Orbigny, ^i^^ p. 433), P. Puzosiamis, 

 Math., P. \8yncyclonema'\ Requienianus, Math., P. BarhesiUensis, P. Marrottianus ei Royamts, 

 d^Orb. 



61-70. — P. Bspaillaci, d'Orb., P. cretostis, Defr., f=arachnoides, Defr., sed non = P. Zeiszneri, 

 Alth),. P. Mantellianus, ( =1 concentrictis , Woodw.), Campaniensis , and Girondinus, d^Orb., 

 P. mediopUcatus , Regleyi et recurrens, Coq., P. Matronensis, d^Orb., P. Palassoui, Leym. 



71-80. — P. [ .^^^^«^^M^] Nilssoni, Goldf., P. \_Chlamys'] Bujardini, Eoem., P. [PaUium sen 

 CMamys'] asellus. Sow., P. nitidus,^ Mant., P. \_? Syncyclonema^ l6evis,^\\s., P. [Syncyclonemal 

 memhranaceus, Nilss., P. \_Pseudamusium] circnlaris, Goldf., P. S^Pseudartiusinm] subsquamnla, 

 d^Orb., P. [f 8yncyclonema~] exilis, Eeuss, P. \_Camptonectes] occultestriatus, Zitt. 



81-90. — P. [Pseudamusium] pusillus, Alth, (nonP. ^J^^i^^w*?, Miinst. ex Sehlotheimi Biscite 

 pnsillo apud Goldfuss); P. [Pseudamusiuryi ^qm Amusiuni] abhreviatus, rottrndatus, Jugleri ei latus, 

 Hagenow, P. [C'cj^w^zfa^^^d^,?] curvatus, Gein. /^= ? divaricatns, Eeuss), [C'^mj;;,] concentrice-punc- 

 iatms Qtgranulifer, Eenss, P. spatuUformis, Eeuss, P. [(7«;??^.] frandator, Zittel. 



91-100.— P. comans, Eoem., P. ^m'^?^^^^, Nilss., P. y^i^>^#,9, Goldf., P. «^2mm«^f2^^, Gein.,t 

 P. {CUamysl squam,ifer,% Gein., P. [ ^ CMamys'] depresses, Miinst., P.pulchellus, Nilss. (= ?suh- 



* Appears to be more numerously ribbed than eretosus of Defrance ; it is not probable that both are identical. 

 t P. decipiens, Eeuss — Vola Icevis, Drouet. 



% Geinitz and Pictet consider Miinster's P. decemco status as probably identical with this species, but Bosquet 

 quotes the former as distinct, (Fauna and flora of Limbourg, Staring's Bodem van Nederland, Ilde deel), 



