KEY TO OCEAN LIFE. Vll 



30. Actinia rubus. . Valparaiso, Chili. 



31. Actinia primula. Off San Lorenzo. 



32. Actinia achates. . Coast of Patagonia. 



33. Actinia Florida. San Lorenzo, off Callao, Peru. 



34. Actinia pluvia. . San Lorenzo, Callao, " 



35. Actinia rhodora. Hospital Island, Rio de Janeiro* 



36. Actinia pustulata. . Praya Grande Fort, " 



37. Metridium prsetextum, Harbor of Rio de Janeiro. 



ACALEPHA. 



38. Physalia pelagica, Portuguese man-of-war. 



Atlantic Ocean. 



ECHINODERMATA. . 



39. Ophiocoma rosula. Sand Star, Key West. 



40. Ophiocoma echinata. Brittle Star, E. Florida. 



41. Asterias sentus, . Round-ray e d Star-fish, K. West. 



42. Echinus. (Sea urchin.) Key West, Florida. 



43. Cast off shell of Sea-urchin. Key West, " 



44. Holothuria Peruviana. (Sea cucumber.) Coast of Peru. 



CRUSTACEA. 



45. Rhjnchocinetus typus. Prawn, Leaping. Coast of Valparaiso. 



46. Palaemon Gaudichaudii. (Prawn.) Coast of Chili. 



47. Pinnotheres Chilensis. (Golden crab.) Coast of Valparaiso. 



48. Pilumnoides perlatus. Coast of Peru. 



49. Porcellana egregia. Antilles. 



50. Porcellana acanthophora. Coast of Valparaiso. 



CIRRIPEDIA. 



51. Balanus semiplicatus. Acorn Barnacle. Atlantic Ocean. 



Meridian. 



52. Tetraclita porosa. (var. Elegans.) Common Barnacle. 



West Indies. 



53. Pollicipes ruber. (Stalked Barnacle.) West Coast of Mexico. 



CONCHIFERA. 



54.. Mytillus hamatus. (Mussel.) Gulf of Mexico. 



55. Pecten ornatus. (Decorated Scallop.) East Florida. 



56. Pecten purpuratus. (Scallop.) Gulf of Mexico. 



57. Pecten laqueatus. Guttered scallop. California. 



