INDEX 



799 



Glands, Multicellular, 26* : Unicellular, 



26* : Ducts, 26, 34 : Salivary, 34* 

 Glandular portion, 671* 

 Glass-crab, 585 

 Glass -rope sponge, 122, 127 

 Olenodinium , 81 

 Globigerina, 54, 58 

 Glochidium, 675 

 Glomeris, 277 

 Glossiphonia, 504, 510 

 Glossocodon, 154 

 Glow-worms, 630 

 Glycera, 462, 463 

 Glyceridce, 464 

 Gnathobase, 518 

 Gnathobdellida, 504*, 505, 509 

 Gnats, 619 



Goblet -shaped bodies, 449 

 Goblet-shaped organs, of Leech, 502 

 Gonads See Reproductive system 

 Gonapophyses, 612* 

 Gonoccele, 761* 

 Gonodactylus, 555 

 Gonodendra, 164* 

 Gonoducts, 489* 

 Gonopodaria, 347 

 Gonopore, 293 



Gonotheca, of Obelia, 130, 131 

 Gonozooids, 199* 



Gordius, 299, 300, 301, 302, 303, 511 

 Gorgonacea, 193*, 201, 202 

 Gorgonia, 195, 201 

 Granule glands, 264, 266* 

 Granules, 380 

 Grapsus, 555 

 Graptolithida, 143*, 166 

 Grasshoppers, 602, 616, 621, 630 

 Green gland, of Astacus, 538 

 Gregarina, 84, 85, 86 

 Gregarina blattarum, 84 

 Gregarina duyardini, 84 

 Gregarina gigantea, 84, 86 

 Gregarinida, 83* : Characteristic fea- 

 tures, 84, 85 

 Gressoria, 617, 621 

 Gromia, 53, 54, 56, 58 

 Guard, 772* 

 Guard-polypes, 149* 

 Guinea-worm, 299, 306 

 Gula, 622* 



Gullet, 33 See Digestive organs 

 Gunda segmentata, 251, 252, 287 

 Gustatory organ, 39* 

 Gyge, 572 



Gymnoblastea, 144* 

 Gymnolaemata, 340*, 341, 343, 345 

 Gy ractis, 198, 199 

 Gyrocotyle, 256, 258, 283 

 Gyrodactylidce, 253 

 Gyrodactylus, 254, 273 



VOL. I 



XlABiTS See Ethology 



Hcemadipsa, 504, 510 



Haemal system, 373 



Haematochrome, 70, 75 



Hcematococcus, 74, 75 



Haemerythrin, 486* 



Haemocoele, of Crustacea, 514, 578 : 

 Peripatus, 608 : Insecta, 625 



Haemocyanin, 541 



Haemoflagellata, 74 



Haemoglobin, 30, 36 



Hcemopsis vorax, 510 



Haemosporidea, 84* : Characteristic fea- 

 tures, 88, 89 



Halicystu*, 176 



Haliotidce, 714 



Hatiotis, 717, 724, 725, 726 



Halistemma, 159, 160, 161, 162, 163, 167 



Halistemma tergestinum, 160> 162 



Halteres, 625 



Hamingia, 479, 482 



Hartea, 193, 195, 200 



Harvest -men, 645, 649 



Hastigerina, 55, 56 



Haversian canals, 28*, 29 



Head, 43* 



Head-germs, 509* 



Head -kidneys, 441 



Head-lobes, of Astacus, 554 : of Fasci- 

 ola, 237* 



Heart, 36* 



Heart See Vascular system 



Heart-urchins, 403*, 408, 413, 414 



Hectocotylisation, 739, 769* 



Heliopora, 193, 201, 205, 206, 208 



Heliozoa, 48* : General structure, 58, 

 59, 60, 61 : Colonies, 59 : Skeleton, 

 59, 60 : Reproduction, 61 : Conjuga- 

 tion, 61 



Helix, 728, 729 



Helix nemoralis, 722 



Hemipnetistes radiatus, 414 



Hemiptera, 618*, 619, 624, 637 



Hemisomes, 43* 



Hepatic caeca, 399 



Hepato-pancreas, 35, 537 



Hermaphrodite, 40* 



Hermit-crabs, 555, 574 : and Hy- 



dractinia, 146, 147 

 Herpobdella, 504, 507, 508, 509, 510 

 Herpobdellida, 504* 

 Hesionida, 464 

 Heterochxrus, 267 

 Heteroccela, 113* 

 Heterocotylea See Monogenetica, 249, 



267 



Heterocyemidce, 227, 229 

 Heterogamy, 41*, 305 

 Heterogeny, 272, 282 

 Heteromita, 73 

 Heteromyaria, 680* 



3 E* 



