278 



BULLETIN 166, UNITED STATES NATIONAL MUSEUM 



Ranilia muricata, 5, 14, 17-20. 



stinipsoni, 18. 

 Ranina dorsipes, 8, 13. 



levis, 8. 



loevis, 8. 

 Raninidae, 5-7. 

 Raninoides, 7, 8. 

 Raninoides, benedicti, 5, 8, 9, 11, 14. 



ecuadorensis, 8, 15. 



fossor, 8, 16. 



laevis lamarcki, 8, 9, 13. 



lamarcki, 8, 13, 16. 



loevis, 5, 7^12, 16. 



louisianensis, 8, 12, 13. 



nitidus, 8, 16, 17. 

 Raninops, 17. 



constrictus, 17, 20. 



fornicata, 20. 



stimpsoni, 18. 

 Raninopsis fossor, 16. 

 rathbuni, Paromola, 68, 69. 

 Reptantia, 6. 

 Retropluma, 264. 

 robusta, Ethusa (Ethusina) gracilipes, 



94, 96. 

 rostratus, Homolopsis, 70. 



Homologenus, 70-72. 



Homologenus (Homolopsis) 70. 

 rotundata, Ebalia, 124, 135. 



Lithadia, 135. 

 ruber, Evius, 30, 31. 

 rumphii, Notopus, 17. 

 eabulosa. Cancer, 45. 



Hypoconcha, 44, 45, 48, 50. 

 earraburei, Dromidia, 35. 

 saussurei, Calappa, 5, 198, 206, 207, 



209, 210. 

 saussurei tortugae, Calappa, 210. 

 scabriuscula, Philyra, 167. 

 schmitti, Iliacantha, 5, 185, 192, 195. 



Speloeophorus, 142, 143. 

 segnipes, Dromidia, 35. 

 sellicauda, Apogon, 264. 

 eemilevis, Osachila, 248, 250, 251, 253. 

 Seriatopora, 262. 

 Shame-faced crab, 4. 

 Sideropora, 262. 

 emithiana, Aethusina, 92. 



Ethusina, 5, 89, 91-93. 

 sparsa, Iliacantha, 5, 185, 190, 191. 

 Spelaeophorus nodosus, 142, 146. 



triangulus, 144. 

 Speloeophorus, 122, 141. 



digueti, 142, 148, 149. 



elevatus, 142, 145, 147. 



nodosus, 141, 142. 



pontifer, 142, 144, 145, 147. 



schmitti, 142, 143. 



spinifrons, Doripe, 63. 



Homola, 62, 63. 

 spinosissima, Hypoconcha, 44, 46, 48. 

 springeri, Calappa, 198, 205 

 squamosa, Calappa, 214. 

 stimpsoni, Clythrocerus, 109, 121. 



Ebalia, 124. 



Ranilia, 18. 



Raninops, 18. 

 stimpsonii, Ebalia, 124, 125, 127. 

 Stylophora, 262. 



subglobosa, Iliacantha, 185, 186, 188. 

 subovata, Myra, 158. 



Persephona, 5, 152, 158, 159. 

 sulcata, Calappa, 198, 211, 213. 

 Symethis, 7, 24. 



variolosa, 5, 24, 26, 28. 

 tenuipes, Ethusa, 78, 87, 90. 

 Thealia, 215. 



acanthophora, 215. 

 Thelaiope, 62. 

 Thelxiope, 62, 63. 



barbata, 63, 65-67. 



palpigera, 62, 63. 



vigil, 63, 66, 72. 

 Thelxiopeidea, 27, 61, 62. 

 Three thorned Crab, 152. 

 tortugae, Calappa saussurei, 210. 

 townsendi, Myra, 160. 



Persephona, 152, 160, 162. 

 triangulus, Spelaeophorus, 144. 

 trilobatus, Eryon, 26. 

 tridens, Geryon, 265. 

 tridentatus, Lyrcidus, 21. 

 trispinosus, Chalaepus, 265. 

 Troglocarcinus, 262. 



corallicola, 262. 

 truncata, Ethusa, 78, 85. 

 tuberculata, Ebalia, 132. 



Nursia, 132. 

 tuberculatus, Hepatus, 235. 

 tuberosa, Ebalia, 123. 



Osachila, 248, 250-252. 

 typica, Ethusina abyssicola, 91. 



Pridone, 77. 

 Uhlias, 122, 149. 



ellipticus, 5, 149. 



limbatus, 5, 149, 150. 

 Ursula, Dynomene, 54, 56. 

 valida, Latreillia. 74. 

 vanbenedenii, Hepatus, 238. 

 variolosa, Hippa, 26. 



Symethis, 5, 24, 26, 28. 

 ventricosus, Pecten, 47. 

 vigil, Homola, 66. 



Thelxiope, 63, 66, 72. 

 xantusiana, Calappa, 206. 

 Zanclifer, 24. 



caribensis, 24, 26. 



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