62 



INDEX OF SPECIES. 



Leda 



eburnea, 46. 



Elenensis, 24, 200, 249,0 311, 



P H5, P 53. 



fossa. 88, 91, 130. 



foveata, 91. 



gibbosa, 311. 



hamata, 98, 130. 



Hindsii, 41. 



impressa, 367. 



inornata, 130. 



lyrata, 46. 



minuta, 71, 89, 130, 169. 



ininuta, var. 71. 



pernula, 130. 



polita, 24, 200, 311. 



Sowerbiana, 46. 



Taylori, 41, 46. 

 Leiosolenus 



spatiosus, 249, 310, P 130, 



p 550. 



Leiostraca. See Liostraca. 

 Leiostracus 



Mexicanus, P 177. 



Ziegleri, P 177. 

 Lepas 



alba, P 297. 

 Lepeta 



Candida, 71. 



caecoides, 89, 137, 169. 

 Lepidopleurus 



Adauisii, 37, 265, 266. 



Beanii, 252, O 317, P 197. 



bullatus, 252, 0317,? 195- 



var. calciferus, 252, 



P 196. 



clathratus, 252, 317, P 195- 



limaciformis, 317. 



MacAndrese, 252, O 317, P 

 196, P 197. 



Maedalensis, 317. 

 Mertensii, 89, 135. 



ppctinatus, 89, 135. 

 regularis, 135. 

 sanguineus,0 252,0317,? 194, 

 P 195, P 196. 



Lepidopleurus 



scabricostatus, 98, 135. 

 tenuisculptus, 37, 39, 266. 

 Lepralia 



adpressa, 256, 244, 298, P 



5- 



atrofusca, 243, 298, P 3. 



cucullata, P 3. 



hippocrepis, 244, 298, P 4. 



humilis, 244, 298, P 5. 



inarginipora, 244, 298, P 4. 



Mazatlanica, 243, 298, P 3. 



rostrata, O 243, 298, P 4. 



trispiuosa, 243, 298, P 3. 

 Leptinaria 



Elisae, 44. 



Emraelinse, 44. 

 Leptochiton 



cinereus, 92. 



interstinctus, 16. 



lividus, 317. 



Mertensii, 317, 349. 



nexus, 98, 136. 



proprius, 317. 



scrobiculatus, 317, 349. 

 Leptoconchus 



monodonta, 63. 

 Leptoconus 



gladiator, P 405. 



puncticulatus, P 404. 



purpurascens, P 402. 



regularis, P 402. 



regalitalis, P 403. 



Lepton 



clementinuni, 248, 308, P 

 no, P in. 



dionamm, 248, O 308, P in. 



meroeura, 97, 129. 



placunoidenm, P in. 



umbonatum, 248, O 308, P 



in. 

 Leptonyx 



bacula, 98, 138. 



sanguineus, 113, 138. 

 Leptoxis 



fusca, 163. 



