INDEX- 



Protozoa, 285 

 Psewlastacus, 343 

 Pylorus, 52 



B, 



Race, 292 



RATHKE, quoted, 356 

 REAUMUB, quoted, 33 

 Beflex 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 Branchi 



Retropinna, 315 



ROBIN, quoted, 352 



Rock lobster, see Palinuru* 



ROESEL VON ROSENHOF, quoted, 



41,43 



RONDOLETIUS, referred to, 4 

 Rostrum, 157 



development of, 217 



Salivary glands, 352 



Salmonidoe, parallel between their 



distribution, and that of Axta- 



cidas, 315 



Sarcolemma, 90, 182 

 SABS, G. 0., referred to, 327 

 SABTOBIUS VON WALTEBHAUSEN, 



quoted, 322 



Scaphognathite, 80, 170 

 Schizopod stage of development, 



280 



SCULtJTBB, 317 



SCHMIDT, 0., quoted, 354 

 SCHBANK, 290 

 Science, physical, 3 

 Science and common sense, I 

 Segmentation, 174 

 Self-causation, 112 

 Sensory organs, 113 

 Septal line, 183 



zone, 183 

 Setae, 197 



Shrimp, see Crangon 

 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 



SOUBEIBAN, M., quoted, 349 

 Southern Crayfishes, 249 

 Species, 243, 290 



morphological, 291 

 physiological, 296 

 Spermatozoa, 129, 135, 354 

 Spontaneous action, 112 

 Squame of antenna, 172 

 Steinkrebs, see Astacus torrent m 

 Sternum, 96, 143 

 Stomach, 29, 51 

 Stone-crayfish, see Astacv* t&rren- 



tium 



Striated spindle, 121 

 Swimmeret, 20 



T. 



Taste, organ of, 115 

 Teleology, 47, 137 

 Tendon, 92, 175 



