INDEX. 



717 



Pupa of insects, 308 



of the barnacle, 396 

 Purpura lapillus, 343 

 Pycnogonidse, 339 

 Pycnopodia, 115 

 Pygidium, 304 

 Pyrosoma gigas, 398 

 Pythonomorpha, 500, 517 



QuoHOG, 239 



Raccoon, 615 

 Radiolaria, 36, 37 

 Rail, 544 

 Raja eglanteria, 433 



erinacea, 431 



fluviatilis, 434 



Isevis, 431 

 Rana, 487 



halecina, 470 

 Rangifer caribou, 609 



tarandus, 609 

 Raptores, 548 

 Rasores, 546 

 Rat, black, 586 



blind, 586 

 Ratitse, 538, 557 

 Rattlesnake, 499 

 Ray, 431 



sting, 424 

 Reasoning power of animals, 



680 

 Redia of trematodes, 150, 151 

 Reefs, coral, formation of, 87 

 Reindeer, 609 

 Uenillareniformis, 86 

 Kuproduction, 13, 643 

 Reproduction of lost parts in 

 Hydrozoa, 53 



Planarians, 144 



Batracliia, 481 

 Reptilia, characters of, 488, 517 



development of, 495 



skeleton of, 489 



Reptilia, sexual differences of, 

 494 

 teeth of, 491, 499 

 viviparous, 495, 497 



Resemblance, protective, 487, 675 



Respiration, organs of, 637 



Rhabdocoela, 145 



RUabdopleura mirabilis, 187 



Rhamphorynchus, 517 



Rhea Americana, 539 



Rhinichthys atronasus, 453 



Rhizocrinus lofotensis, 103 



Rhizopoda, 33, 37 



Rhombogene, 141 



Rhopalodina, 133 



Rhynchocephalia, 511, 517 



Rhyncodesmus sylvaticus. 145 



Rhytina Stelleri, 596 



Robin, 556 



Rodentia, 583, 639 



Root barnacle, 3 



Rotalia, 35 



Rotatoria, development of, 178 

 structure of, 176, 180 



Rotifera, 176 



Rotifer vulgaris, 176 



Rugose corals, 84 



Ruminantia, 605 



Saccate, 95 

 Sacculina, 376 

 Sagitta, 174 

 Salamander, 479 

 Salenoglyph snakes, 499 

 Salmo fontinalis, 453 



quinnat, 451 



salar, 453 

 Salmon, 451 

 Salpa, development of, 401, 404 



structure of, 391, 398 



spinosa, 401 

 Sarcorhamphus gryphus, 548 

 Sauropterygia, 513, 517 

 Sauropsida, 518 



