370 



INDEX. 



Protozoa, 285 

 Psemlastacus, 343 

 Pylorus, 52 



E. 

 Race, 292 



Rathke, quoted, 356 

 RriAUMUB, quoted, 33 

 Reflex action, 108 

 Reichenbach, quoted, 356 

 Renal organ, see Green-gland 

 Reproduction of lost limbs, 38 



sexual, 39, 128, 135, 350 

 Reproductive organs, 128 



development of, 225 

 Respiration, anal, 353 

 Respiratory organs, see Branchiae 

 Retropinna, 315 

 Robin, quoted, 352 

 Rock lobster, see Palinurus 

 Roesel von Rosenhoi 1 , quoted, 



41,43 

 Rondoletius, referred to, 4 

 Rostrum, 157 



development of, 217 



S. 

 Salivary glands, 352 

 Salmonidce, parallel between their 



distribution, and that of Asta- 



cidce, 315 

 Sarcolemma, 90, 182 

 Saks, G. 0., referred to, 327 

 SABTOBItTS von Waltebhadsbn, 



quoted, 322 

 Scaphognathite, 80, 170 

 Schizopod stage of development. 



280 



SCHLUTEB, 317 



Schmidt, O., quoted, 354 

 Schbank, 290 

 Science, physical, 3 

 Science and common sense, 1 

 Segmentation, 174 

 Self-causation, 112 

 Sensory organs, 113 

 Septal line, 183 



zone, 183 

 SetEe, 197 



Shrimp, see Orangon 

 Siebold, Von, referred to, 331 

 Sight, organ of, 118 

 Sinus, sternal, 69 

 Smell, organ of, 114 

 Somite, 143, 161, 355 



abdominal, 142 



cephalic, 154 



thoracic, 150 

 SoubeieAN, M., quoted, 349 

 Southern Crayfishes, 249 

 Species, 243, 290 



morphological, 291 



physiological, 296 

 Spermatozoa, 129, 135, 354 

 Spontaneous action, 112 

 Squamc of antenna, 172 

 Steinkrebs, see Astacus torventivm 

 Sternum, 96, 143 

 Stomach, 29, 51 

 Stone-crayfish, see Astacm torren- 



Hum 

 Striated spindle, 121 

 Swimmeret, 20 



T. 



Taste, organ of, 115 

 Teleology, 47, 137 

 Tendon, 92, 175 



