INDEX. 



717 



Pupa of insects, 308 



of the barnacle, 296 

 Purpura lapillus, 243 

 Pycnogouidoe, 339 

 Pycnopodia. 115 

 Pygidiuni, 304 

 Pyrosoma gigas, 392 

 Pythonomorpha, 500, 517 



QUOHOG, 229 



RACCOON, 615 

 Radiolaria, 26, 27 

 Rail, 544 

 Raja eglaiiteria, 422 



erinacea, 421 



fluviatilis, 424 



laevis, 421 

 Raua, 487 



halecina, 470 

 Rangifer caribou, 609 



tarandus, 609 

 Raptures, 548 

 Rasores, 546 

 Rat, black, 586 



blind, 586 

 Ratitfe, 538, 557 

 Rattlesnake, 499 

 Ray, 421 



sting, 424 

 Reasoning power of animals, 



680 



Redia of trematodes, 150, 151 

 Reefs, coral, formation of, 87 

 Reindeer, 609 

 Reiiilla reniformis, 86 

 Reproduction, 13, 643 

 Reproduction of lost parts in 

 Hydrozoa, 53 



Planarians, 144 



Batrachia, 481 

 Reptilia, characters of, 488, 517 



development of, 495 



skeletou of, 489 



Reptilia, sexual differences of, 



494 



tec-ill of, 4)1, 499 

 viviparous. 495, 497 



Resemblance, protective. 487, 675 



Respiration, organs of. 637 



Rhabdoaela, 145 



Rhabdopleura mirabilis, 187 



Rhamphorynchus, 517 



Rhea Americana, 539 



Rhinichthys atronasus, 453 



Rliizocrinus lofotensis, 102 



Hhizopoda, 22, 27 



Rhnmbogene, 141 



Rhnpalodina, 132 



Rhyncliocephalia, 511, 517 



Rhyncodesmus sylvaticus. 145 



Rhytina Stelleri, 596 



Robin, 556 



Rodeuiia, 582, 629 



Root barnacle, 2 



Rotalia, 25 



Rotatoria, development of, 178 

 structure of, 176, 180 



Rotifera. 176 



Rotifer vulgaris, 176 



Rugose corals, 84 



Ruminantia, 605 



SACCATE, 95 

 Sacculiua, 276 

 Sagitta, 174 

 Salamander, 479 

 Salenoglyph snakes, 499 

 Salmo fontinalis, 452 



quinnat, 451 



salar, 452 

 Salmon, 451 

 Salpa, development of, 401, 404 



structure of, 391, 398 



spinosa, 401 



Sarcorbamphus gryphus, 548 

 Sauropterygia, 513, 517 

 Sauropsida, 518 



