INDEX. 



771 



Rotula, 179 



Rupture of blastoderm, 256 



SACCULUS, 202 



of oviduct, 671 



Sagitta, spermatogenesis in, 693 

 Salivary cells, 267 

 Salivary duct, 147 

 Salivary glands, 404 



accessory, 391 



development of, 431 



histolysis of, 310 



labial, 391, 405 



morphology of, 54 



nerves to, 61 



of larva, 59 



position and number of, 228 

 Salivary reservoirs, 404, 406 

 Sand-fly, see Simulia 

 Sapyx larva, 18 

 Sarcoglia, 285 

 Sarcolemma, 285 

 Sarcomeres, 286 

 Sarcophaga, 5, 6, 30 



development of eye in, 543 



uterus of, 676 

 Sarcostyles, 286 

 Savigny on hypopharynx, 44, 132 



on mouth organs, 128 



views of, 107 



Scabellum of halter, 604, 605 

 Scalas of halter, 605 

 Scapal organs of halter, 611 

 Scapula of Burmeister, 169 

 Scatophaga, 5 



Schafer on amoeboid protoplasm, 272 

 Scheiber on pharynx of CEstrus, 46 

 Schindler on Malpighian tubes, 413 

 Schiner on dipterous larvae, 27 



on number of segments in larva, 34 

 Schibdte on mesothoracic spiracle, 



188 



Schizoccele, 253 

 Schmidt, experiment of, 564 

 Schneider on development of ovaries, 



699 

 Schultze on retinulae, 522 



on great rods, 518 

 Schwann on origin of cells, 716 

 Scleral ring, 119 

 Sclerites, 10, 100 



methods of examination, 213 

 Sclero-cone, 516. See Crystalline cone 

 Scolopale Korperchen, 613 



Scolopendra, neuromeres of, 157 

 Scorpio, eyes of, 512 



neuromeres of, 157 



yelk segmentation in, 237, 239 

 Scutellar bridges, 167 

 Scutellum, 167 

 Scutum, 166 



Secondary ccelomic cavities, 252 

 Sections, mode of preparation, 95 

 Sedgwick on blastopore, 241 

 Segment mediaire, 155, iSS 

 Segmental ducts, 277, 664 

 Segmental organs, 253, 277 

 Segmental spiracles, 181 

 Segmentation. Sec Yelk segmentation 

 Segmentation cavity, 251, 252 

 Segments, abdominal, 209, 724 



cephalic, 114 



of larva, 33 



thoracic, 154 

 Sehstiibchen, 518 



Selenka on origin of hypoblast, 247 

 Sella, 170, 178 

 Semper, nuclei of, 527 



on eyes of Onchidium, 503 

 Sensation in Insects, 496 

 Senses and sensory organs, 496 



bibliography of, 496 

 Sensory bristles, 499 

 Sensory nerve terminals, 290 

 Sensory ganglia, 443, 467 



development of 494 

 Sensory organ on prosternum, 1 79, 633 

 Sensory organs, 496 



of larva, 71 



sporadic, 500 



Sensory papillae of larva, 36 

 Sericteria. See Salivary glands. 

 Serosa, 241, 244 

 Serous gland cells, 279 

 Sesamoid sclerite, 135 

 Seta, 10 



sensory, 291 



development of, in Lepidoptera, 



21 



Setiferous sac of antenna, 585 

 Sexual development, time required 



for, 5 



Sexual ducts, development of, 703 

 Sexual rudiments. See Gonads 

 Shaffer on leucocytes, 274 

 Sharpness of vision, 567, 569 

 Siebold on tympanic organs, 623 

 organ of, 600 



