IV KEPOHT OF THE COl^JMISBIONER OF FISH AND FISHERIES. 



P.'.ge. 



Nuclei ill Myxobolns 208 



of myxosporidium 76 



of spore 92 



pericornual 82, 209 



as a specilic character 117, 210 



obesus, Myxobolns 239 



oiilongus, Myxobolus 234 



ortospora, Thelobania 177,197 



olilraacheri, ChloroniyxiiTii 207 



Spore, orientation of, in CystodiscidsB 278 



Ovary, species found in 107 



oviformis, Myxobolus 214 



Pansporoblast 80, 81, 120, 121 



Pathology 117,197,222,228 



Perca iluviatilis (error) 217 



Perch, yellow ; see Perca fiuviatilis. 



Pericystic space 120 



perlatas, Myxobolus; see Chloromyxum 

 perl at nm. 



Pfeili'er, species described by 137 



Phsenocystes, definition of generic charac- 

 ters in 113, 205 



phoxinus, Cyprinus; see Phoxinus phox- 

 inus. 



Pigment, in the Myxosporidia 76, 258, 277 



Pike; see Lucius lucius. 

 Pike perch ; seeStizostedion lucioperca and 

 Aphredoderus sayanus. 



Pimelodes (error) 212 



Pimelodus blochii: see Pimelodus clarias. 



seboe; see Rhamdia sebre. 

 Pipefish: see Siphostoma and Syngnathus. 



piriformis, Myxobolus 211 



plagiostomi, "Myxosporidium"; sceUhloro- 

 niyxum leydigii. 



Planes of symmetry 120 



Plasmatic (and plawnic) mass; sec Sporo- 

 pi asm. 



Plasmode formation 75, 99, 177, 188, 227 



Platystoma fasciatum; see Pseudoplatys- 

 toma fasciatum. 



Pleistophora 194 



spore formation as a generic 



character of 79 



Polar (and pole) capsules; see Capsules. 

 Posterior; see Anterior. 

 Posterior mass ; see Sporoplasm. 

 Prawn; see Pahemon and Paliemonetes. 



Protocy.rts 121 



Protosporoplnsm 121 



Pseudopodia 77 



.aberrant 276 



error as to 77 



Psorosperm, etymology of term 93 



equivalent of spore 75 



former use of term in nomen- 

 clature 71 , 72 



Psorospermeas 72 



Psorospermia, nomenclatnral value of term . 72 

 proposed as typo of Psoro- 

 spermeas 72 



sci.enaj-umbraB 106 



psoroaperniic.a, llenueguya; ."ee Myxobolus 



paorospermicus. 

 psorospermicua, Myxobolus 250 



Page. 

 Psorosperraium, references to use of term. . 73 



hoeckelii i:!5 



lucernaria; 135 



Psorosperms 71 



attempted inoculation of 136 



regarded as the adult 75 



represent the spore stage 75 



suggested parasitic relatiim 



of, to Gregarines 97 



pnngitius, Gastorosteus; see Pygosteus 



pungitius. 

 Raia; see Raja. 



Ray, eagle; see Cephaleutherus aquila. 

 electric ; see Torpedo torpedo, 

 sting; see Dasyatis. 



Renal tubules, species found in J07 



Ribbon 121, 223,280 



Ribbonettes 121,223,280 



confounded with filaments ; see 

 Filaments. 



supposed function of 96 



richardi, Diaptomus, parasite of 176 



Ridge 121 



rileyi, Balbiania 175 



Robin, species described by 16C 



rutilus, Cyprinus; see Leuciscus rutilus. 



Salnio fario 174 



Sandra, Lucioperca; seeStizostedion lucio- 

 perca. 



savanus (error) 249 



Schewiakolf cited 176 



schiozurus (error) 255 



schizurus, Myxobolus > 255 



Schmeil cited 170 



Schneider cited ,. 109 



schneideri, Lithocystis 109 



scioBnaj-umbrffi ; see Psorospermia scin?na3- 



umbr». 

 Scyllium canicula; see Scylliorhinus cani- 

 cula. 

 stellare; see Scylliorhinus stel- 

 laris. 

 Sculpin ; see Cottus scorpio. 



Seat 121 



sebfe, Pimelodus; see Rhamdia sebaj. 



Shell 74 



taxonomic value of bivalve 278 



types of 83 



Shrimp ; see Crangon vulgaris. 

 Silurus clarias; see Pimelodus clarias. 



Spatula clyijeata, parasite of 175 



sphseralis (error) 240 



Sphreromyxa 115, 110, 282 



Sphserospora ; sec Chloromyxum 115,110,265 



spore fora\ation in 80 



sphferulosa, Ceratomyxa 277 



spheralis, Myxobolus 240 



Spinax vulgaris; see Squalus acanthias. 



Spleen, species found in 107 



Spore, and myxosporidium, respective 



functions of 90 



dichromophilism of, literature of 269 



Ohlmaiher on.. 208 



general description of 74 



Spoi'c, orientation of, in Ceratomyxa 274 



