IV REPORT OF THE COMMISSIONER OF FISH AND FISHERIES. 
Page. 
Wuclei in Myxobolus ------.2-----0 0322-5 208 
Of My SOS pore Secon wee ase anes 76 
OL SPOLG =o. ser one as eee pene eee 92 
pericommual yes) 5- okwem eee ea 82, 209 
as aspecifie character 117, 210 
obesus; Mayxobolusss-.i- <= ee bieloee eran 239 
Oblowens, Mysobolus ce seeseeeew esas = 234 
octospora, Thelohania...........----.---- 177, 197 
ohimacheri, Chloromyxum. ...---- oa 267 
Spore, orientation of, in Cystodiscide ..... 278 
Ovary “Species tound ane =s.65 - sete aie 107 
DVALONMIIS eVby XO DOMIS eee ee ee aecss seis 214 
Pansporoblash seasweseicecee= sees 80, 81, 120, 121 
Pa thOlO Sys es eecehs cece = alee dee esi 117, 197, 222, 228 
Percariuaviatilis(Orror) sc. 2-5. besc-ceceee 217 
Perch, yellow; sce Perea fluviatilis. 
EMiCVAtICESPACO 2... se-sac ccs) sa cine decet 120 
perlatus, Myxobolus; see Chloromyxum 
perlatum. 
Pfeiffer, species described by..-.--.-------- 137 
Phenocystes, definition of generic charac- 
HOLA I eaet Salah ise = cents aoe Owe ca eles 113, 205 
phoxinus, Cyprinus; see Phoxinus phox- 
inus. ; 
Pigment, in the Myxosporidia ..-..--. 76, 258, 277 
Pike; see Lucius lucius. 
Pike perch; see Stizostedion lucioperca and 
Aphredoderus sayanus. 
IMG OGOS(OLEDD) res ste eee te cbse 212 
Pimelodus blochii: see Pimelodus clarias. 
sebze; see Rhamdia seb. 
Pipefish: see Siphostoma and Syngnathus. 
Minitoumis: Myxobolus,- 2 2ce-. lo.s2-sssecee- 211 
plagiostomi, ‘‘ Myxosporidium”’; see Chloro- 
myxum leydigii. 
alanies Oh SY MIN CLL veri Jo ees anise eae ce ae a0 120 
Plasmatic (and plasmic) mass; see Sporo- 
plasm. 
Plasmode formation......-.-.-.. 75, 99, 177, 188, 227 
Platystoma fasciatum; see Pseudoplatys- 
toma fasciatum. 
PNAS TOPNOLD) owe tcl agra’ cae te wsjcematee aus 194 
spore formation as a generic 
Character Off: - = a eese 2 <cenn 79 
Polar (and pole) capsules; see Capsules. 
Posterior; see Anterior. 
Posterior mass; see Sporoplasm. 
Prawn; see Palemon and Palzemonetes. 
He EODOCVSUS estes ciie\sinte clon n/a em einS ee oe ele 121 
Protosporoplasm.......---.----. Deeaiaoec eas 121 
IBROILOPOCIA oa 22% ora) inna tae te weil eine = alee 77 
BHSLTANGL aeese te seh cscs bese 276 
OLY ORAS) tOms- nena ec = = SHS 55 77 
Psorosperm, etymology of term .......--... 93 
equivalent of spore ........... 75 
former use of term in nomen- 
Clature. (222 eect en ssnitsne oe 71, 72 
PER OROR POLI G CS yale ietminintete oleae Salaam oleae 72 
Psorospermia, nomenclatural value of term. 72 
proposed as type of Psoro- 
AP OLINGD par wetate ais esis ken 72 
Sciene#-umbra. #..---2--..2. 166 
psorospermica, Henneguya; see Myxobolus 
psorospermicus. 
psorospermicus, Myxobolus...... Aeochsecbe 256 
ae 
~ 
Page. 
Psorospermium, references to use of term... 73 
heckeélii:22i ese ee eee 135 
lncermarigg 2: 2 o22lece 2 oe el 
Psorosperms =. 028: 50 2 ote eee eee alt 
~ attempted inoculation of ..... 136 
regarded as the adult ...-.--- 75 
represent the spore stage. ---. 75 
suggested -parasitic relation 
of, to Gregarines.-..-..----. 97 
pungitius, Gasterosteus; see Pygosteus : 
pungitius. 
Raia; see Raja. 
Ray, eagle; see Cephaleutherus aquila. 
electric; see Torpedo torpedo. 
sting; see Dasyatis. 
Renal tubules, species found in.--..-..-..-. 107 
Ribbon se Stes ae om mai eee eee 121, 223, 280 
Ribbonettes-sos.-4 524 -nisese ene vacaee, 121, 2235980) 
confounded with filaments; see 
Filaments. 
supposed function of.......... 96 
richardi, Diaptoinus, parasite of ...-..-.-.. 176 
IRAQ 6 aaa ee see eae eee eee ee ee 121. 
Tileyi, Balbianiae 2c. ose. eo ese ee Soe 175 
Robin, species described by-.-----..----.-.- 166 
rutilus, Cyprinus; see Leuciscus rutilus. ; 
Salmio fAri0. oo. 5) sees eee See ieee ete 174 
sandra, Lucioperca; see Stizostedion lucio- 
perca. 
SAV ANUS! (CLLOL) Se <= sen weit een eee 249 
Schewiakoff cited <.2. 52-52-2422 -feeee ee 76 
schiozurus (6rror) 2) sees oe cece ee eee 255 
schizurus, Myxobolussc-., -Seeseeeceeeeees 255 
schmeilicited sy. 2- ics. ons Se ee ee eee 176 
Schneider cited 253 72eeacipseee ee cose eee 169 
| schneideri, Lithocystis. ....--. alot Se oe 169 
| scisne-umbrea; see Psorospermia sciene- 
umbree. 
Seyllium canicula; see Scylliorhinus ecani- 
cula. 
stellare; see Scylliorhinus stel- 
laris. 
Sculpin; see Cottus scorpio. 
SIc ED Spo Oran Ee Men seria Sao aa oot oe nant 1215 
sebx, Pimelodus; see Rhamdia seb. 
Shell oie nae -- see eees ase as eee eee eee 74 
taxonomic value of bivalve. -..---.- --  2t8 
UNAS VO) Pace seer selso Sep asern seas SS csc 83 
Shrimp; see Crangon vulgaris. 
Silurns clarias; see Pimelodus clarias. 
Spatula clypeata, parasite of........-...... 175 
spheralis (error)-- eo e= seca pee eee 240 
DP ASLONNY Ke eee ele eee = eee 115, 116, 282 
Spherospora; see Chloromyxum..-.. 115, 116, 265 
spore formation in..........-. 80 
spheerulosa, Ceratomyxa---22 5.2 san seeees 277 
spheralis;, Myxobolus 2. --235-ssesse eae 240 
Spinax vulgaris; see Squalus acanthias. 
Spleen, species found in. 2- 22.22. see 107 
Spore, and myxosporidium, respective 
functions Of -: 22 -a.2 o> sees 90 
dichromophilism of, literature of..-. 269 
Ohlmacher on.. 268 
general description of...--..+...--.. 74 
Spore, orientation of, in Ceratomyxa-....... 274 
Ses 
sey. 
