644 



INDEX 



Gymnostomaceae, 137 ; predaceous, tricho- 

 cysts of, 143 ; mouth and pharynx of, 

 145 ; noteworthy members of, 152 



Qyractis, 380 



Hacker, on skeleton of Kadiolaria, 82 n. 



Haddon, 382 



Haeckel, 168, 185, 192, 237, 308; on 

 Monera, 4 n., 89 n. ; on Protista, 40 f. ; 

 on Protozoa, 46 ; on Heliozoa, 71 ; on 

 classification of Kadiolaria, 76 ; on 

 functions of porocone in Kadiolaria, 81 ; 

 on enumeration of Kadiolaria, 87 f. ; on 

 Myxobrachia, 83 ; on Sponges, 168, 192 ; 

 on phylogeny of Echinodermata, 622 



Haeckeliana, 79, 85 



Haemamoeba, 97, 103 f . ; H. malariae, 

 parasite of quartan fever, 104 f. ; H. 

 vivax, parasite of tertian fever, 104 f. 



Haematochrome, 125 



Haematococcus ( = Sphaerella, 111), 125, 

 126 



Haemofiagellates ( = Trypanosoma, etc., 

 q.v.), 119 n. 



Haemoglobin, 103 ; in water- vascular 

 system of Ophiactis virens, 499 



Haemogregarina, 97 



Haemomenas (Ross's name for parasite of 

 pernicious fever = Laverania, 97), 105 



Haemoproteus, 97 ; parasitic in birds, 103 



Haemosporidae, 97, 102 



Haimea hyalina, 31$ ; II . funebris, 342 



Haimeidae, 342 



Halcampa, 366, 380 ; H. chrysanthellum, 

 380 



Halcampidae, 375, 380 



Halecmm, 277, 280 



Haleremita, 256 



Halicalyx, 291 



Halichondria, 217, 223 ; H. panicea, struc- 

 ture, etc,, 168 f., 169, 170, 211 



Halichondrina, 216, 217 



Haliclystus, 320, 321 ; H. auricula, 320 



Halicnemia, 216, 224 



Haliomma, 77 



Haliphysema, 59 



Halisarca, 196, 225 



Halomitra, 404 



Halteria, 137, 152, 155 



Halteridium, 97 ; sexual fusion in, 103, 

 105 ; regarded by Schaudinn as a state 

 of Trypanosoma, 103 n., 120 



Hamacantha, 223 



Hamann, on supposed cavities in the body- 

 wall of Asteroidea, 449 ; on classifica- 

 tion of Zygophiurae, 495 n. 



Hanitsch, 168 n. 



Hapalocarcinus, 402 



Hardy, on structure of protoplasm and 

 clearing, 11, 12 n. 



Hartea elegans, 342 



Hartlaub, 269 n., 274, 297 n. 



Hartog, on Protozoa, 1 f. ; on structure of 

 protoplasm, living and dead, 11 ; or 

 function of contractile vacuole, 15 u. ; 

 on intracellular digestion, 16 ; on brood - 

 division (multiple cell-division), 16 n. ; 

 on dual force of dividing cell, 26 n. ; or 

 syngamy, etc., 34 n. ; and Dixon, or 

 pepsin in Pelomyxa, 16 



Harvey, " omne vivum ex ovo," 42 



Hastigerina, 59, 66 



Hauerina, 59 



Heart, of Asterias rubens, 450 



Heart-urchins = Spatangoidea, q.v. 



Heat see Temperature 



Heat-rigor, 22 



Heleopera, 52 ; test of, 55 



Heliaster, 474 



Heliasteridae, 453, 454, 474 



Heliolites, 346 



Heliolitidae, 346 



Heliopora, 330, 334, 337, $45 t 



Helioporidae, 346 



Heliozoa, 50, 70 f. ; streaming of granules, 

 17 ; regeneration, 35 ; habitat, 48 ; 

 locomotion, 73 ; various forms of, 74 ; 

 marine, 75 ; distribution of, 75 ; resem- 

 blance of Suctoria to, 159 



Hemiaster, 556 ; II. philippi, 552, 555, 

 602, 603 



Hemichordata, 616 



Henneguy, on protoplasm, 3 n. ; on syn- 

 gamy, 34 n. 



Henneguya, 98 



Henricia see Cribrella 



Herouard, Delage and, on Protozoa, 46 



Herpetolitha, 404 



Herpetomonas, 115 



Hertwig, R., on Protozoa, 46 ; on chromidia 

 in Sarcodina, 52 n. ; on Heliozoa, 71 ; on 

 Radiolaria, 88; on Suctoria, 161 n., 162 



Heteractinellida, 208 



Heterastridium, 283 



Heterocentrotus, 532, 542 



Heterocoela, 187 f. 



Heterophrys, 71 



Heteropidae, 192 



Heterotrichaceae, 137, 153 f. ; fission of, 

 147 



Heteroxenia, 333, 335, 348 



Hexactine (a triaxon in which all six actines 

 are developed), 184 



Hexactinellida, 194, 195, 197 f., 228, 240 



Hexadella, 196 



Hexamitus, 115 



Hexaster (a hexactine with secondary or 

 terminal rays = Carter's "rosette"), 203 



Hexasterophora, 203 f. 



Hickson, on interchange of cytoplasm in 

 conjugating Infusoria, 149 n. ; on con- 

 jugation in Suctoria, 161 f. ; on Coelen- 

 terata, 243 f. ; on Millepora, 259 n. ; 

 on Stylasterina, 286 n. ; on Alcyonaria, 



