714 



INDEX. 



Pupa of insects, 328 



of the barnacle, 296 

 Purpura lapillus, 263 

 Pycnogonidse, 360 

 Pycnopodia, 115 

 Pygidium, 324 

 Pyrosoma gigas, 202 

 Pythonoinorpha, 500, 517 



QUOHOG, 249 



RACCOON, 615 

 Radiolaria, 26, 27 

 Rail, 544 

 Raja eglanteria, 422 



erinacea, 421 



fluviatilis, 424 



Isevis, 421 

 Rana, 487 



halecina, 470 

 Rangifer caribou, 609 



tarandus, 609 

 Raptores, 548 

 Rasores, 546 

 Rat, black, 586 



blind, 586 

 Ratitse, 538, 557 

 Rattlesnake, 499 

 Ray, 421 



sting, 424 



Reasoning power of animals, 380 

 Redia of trematodes, 150, 151 

 Reefs, coral, formation of, 87 

 Reindeer, 609 

 Renilla reniformis, 86 

 Reproduction, 13, 643 

 Reproduction of lost parts in Hy- 

 drozoa, 53 



planarians, 144 

 Reproduction of lost parts in Ba- 



trachia, 481 

 Reptilia, characters of, 488, 517 



development of, 495 



skeleton of, 489 



sexual differences of, 494 



teeth of, 491, 499 



Reptilia, viviparous, 495, 497 

 Resemblance, protective, 487, 575 

 Respiration, organs of, 637 

 Rhabdocoela, 145 

 Rhabdopleura mirabilis, 187 

 Ramphorynchus, 517 

 Rhea Americana, 539 

 Rhinichthys atronasus, 453 

 Rhizocrinus lofotensis, 102 

 Rhizopoda, 22, 27 

 Rhombogene, 141 

 Rhopalodina, 132 

 Rhynchocephalia, 511, 517 

 Rhyncodesmus sylvaticus, 145 

 Rhytina Stelleri, 596 

 Robin, 556 

 Rodentia, 582, 629 

 Root barnacle, 296 

 Rotalia, 25 

 Rotatoria, development of, 178 



structure of, 176, 180 

 Rotifera, 176 

 Rotifer vulgaris, 176 

 Rugose corals, 84 

 Ruminantia, 605 



SACCATE, 95 

 Sacculina, 296 

 Sagitta, 174 

 Salamander, 479 

 Salenoglyph snakes, 499 

 Sal mo fontinalis, 452 



quinnat, 451 



salar, 452 

 Salmon, 451 

 Salpa, development of, 211, 214 



structure of, 201, 208 



spinosa, 211 



Sarcorhamphus gryplms, 548 

 Sauropterygia, 513, 517 

 Sauropsida, 518 

 Saururse, 537, 557 

 Saw fish, 421 

 Saw fly, 380 

 Saxicava, 250 

 Scalpellum, 293 



