INDEX. 



773 



Swammerdam, on circulation of the 

 blood, 635 



on imaginal discs, 73 

 Swinton on dorsal vessel, 649 



on mirror in Cicada;, 626 

 Sylpha, function of antennae in, 



592 



Symphysis, 102 

 Synapta, morula of, 239 

 Syncytial segmentation, 237 

 Syndesmosis, 10, 102, 187 

 Synonymy of head capsule, 126 



of mouth organs, 154 



of thoracic skeleton, 189 



of wing sclerites, 209 

 Syrphidae, entocephalon of, 124 



epistoma of, 121 



lunula of, 126 



salivary glands of, 404 



TABANID/E, mandibles of, 128 



palpi of, 150 

 Tabanus, 30 



chordotonal organs of larva, 596 

 Tachina, 5 



abdominal sterna of, 739 



antennas of, 585 



uterus of, 676 

 Tactile sense, 499 

 Taenia, 470-472 

 Tanystomata, 30 

 Tapetum, pigmented, 535 



tracheal, 538 

 Tarsal articulations, 194 



glands, 198 



muscles, 222 

 Tarsus, 194 

 Taste, organs of, 403 



sense of, 630 

 Tau, 203 



Teeth of proboscis, 146 

 Telson of Crustacea, 209 

 Tendinous cords of oral sucker, 395 

 Tentorium, 215 



rete mirabile of, 216, 396 

 Tergum, 156 

 Terminal ganglia, 291 

 Termites, gills of, 160, 356 

 Testis, 660 



development of, 687, 691 



early stages of, 687 

 Thalamencephalon, 444 

 Thalamon, 444 

 Theca, 135 



Thoracic appendages, development 



of, 158 



blood sinuses, 225 

 discs. See Imaginal discs, 

 ganglion, 435, 437, 439 



in nymph, 345 

 muscles, 223 



nerve centre, 435, 437, 439 

 sclerites, 171 



nomenclature of, 166 

 segment, ideal of, 156 

 skeleton, 154, 166 



bibliography of, 154 

 morphology of, i 54 

 spiracles. See Spiracles 

 Thorax, 1 1 



anterior surface of, 169 

 contents of, 217 

 development of, 83, 318 

 dorsal aspect of, 166 

 evagination of, 317 

 lateral aspect of, 167 

 modifications of, 165 

 posterior aspect of, 170 

 theory of, 156 

 ventral appendages of, 158 

 ventral surface of, 169 

 Thyroid sclerite, 141, 142 

 Thysanura, 18 



tracheae of, 357 

 Tibia, 193 

 Tichomirow on primitive trace, 



253 



Tiger beetle. See Cicindela. 

 Timarchia, ocelli of, 514 

 Tipula, 30 



anterior gonapophyses of, 732 



eye of, 521 



halter of, 606 



mouth of, 150 

 Tissue elements, 263 

 Tissues, classification of, 263 

 Topography of muscles and viscera, 



215 

 Topping, preparation of proboscis 



by, 142 



Torulus, 117, 121 

 Total reflection, vision by, 563 

 Trabeculse, 112, 445, 461, 464 

 Trabecular bundle, 467 

 Tracheae, u, 47, 351 



abdominal, 226 



appearance of, 364 



arborescent, 353 



