A. E. Yerrill — Study of the family Pectmidce. 91 



List of genera^ suhgenera^ and species discussed. 



Synonyms are generally omitted. The few included are enclosed 

 in parentheses. Numbers refer to pages ; those where special 

 descriptions are given are printed in italics. 



Pecten (typical), 43, 44, 53, 54, 56. 



P. maximus, 54, 55, 56 ; P. dentatus, 57; P. hemicyclicus, 57 ; 



P. dubius, 55 ; P. Jacobseus, 56 ; P. pictus, 55 ; P. ziczac, 55 ; 



P. atavus, 57. 

 Neithea., sub. gen., 60. 



P. aequicostatus, 60. 

 Lyropecten, 49, 63. 



L. nodosus, 63 ; L. subnodosus, 64 ; L. corallinoides, 64 ; L. 



noduliferus, 64. 

 Pallium.^ 51, 59. 



P. plica, 59. 

 Hinnites, 48, 59. 



H. Cortessi, 59; H. Adamsi, 60; H. pusio, 60. 

 Memipecten, 48, 60. 



H. Forbesianus, 60. 

 Chlamys (typical), 55, 58. 



C. Islandica, 54, 55, 58, 7^, 73 ; var, insculpta, 73 ; C. ornata, 



59 ; C. exasperata, 59 ; C. costellata, 59, 75/ C. Benedicti, 59, 7Jf ; 



C. phrygia, 59 ; C. effluens, 58 ; C. madreporarum, 49 ; C. 



varia, 75. 

 ^qulpecten (sub. gen.), 59, 67. 



C. opercularis, 67 ; C. irradians, 41, 47, 59, 68, 76 and 77/ C. dislo- 



cata, 59, 68 ; C. glypta, 59, 68, 76 ; C. Antillarum, 59, 68; C. 



nucleus, 68 ; C. ventricosa, 59, 68 ; C. purpurata, 68 ; C. caiirina, 



68. 

 Leptopecten (sub. gen.), 69. 



C. Mono.timeris, 69. 

 Lisso2)ecten (sub. gen.), 49, 68. 



C. hyalina, 69. 

 Placopecten (sub. gen,), 61, 69. 



P. Clintonius, 42, 49, 58, 61, 69, 78; {P. magellanica, 78); 



var. tenuicostata, 79. 

 CamjJtonectes, 62. 



C. lens, 62 ; C. Groenlandica, 82. 

 Palliolwn, sub. gen. or section, 65. 



P. Testae, 62, 65, 66 ; P. striatum, 62, 66 ; P. tigrinum, 62, 66; 



P vitreum, 43, 46, 65, 66. 



