156 REPORT OF THE COMMISSICNER OF FISH AND FISHERIES. 
Species No. 
a] 
_ 
] 
tw 
73 
76 | 
77 
78 
82 
83 
85 
Tabular key—Continned. 
Myxosporidium. Cyst. 
a ef 
n =I 
4s vale 
a3 38 Host. 
Size | ve . = Size ic salle 
inp.| 3 a } Nuclei. re ie) in mm. | 52ape- | Color. 
i) S oS a3 
‘=I SS = 2 3 n . 
as | 2 z Be | ls 
8 ° =) oe = 
a rg = a S) 
° 5 D ne 5 
S 2 Ee a 2 
3 a ay a = 
Pete malsee cael tne aos| ive aes|eue eee ee (2), Weteeealbasncs=| sate bee. see a... ||Gasterosteusacnie. 
atus. 
Pygosteuspungitins. 
SEE RSET (Ce inch eRe St I aeons ns eee no eal Le ee) reese oA, Acerina cernua. 
sapere oo eel ledewters| hab se a cal saec ss edloet ease: | naeee| en Phh Ss) s2e se laenos= oS VILOG ONS Se Hla 
about 
2°18. 
Pee sale Pas eae oelAate 42a ea ine ee eee eee ee eee sels Large. | Lenti- | White.| Aphredoderus say- 
cular anus. 
etal ttc DE accll A do eel. Sco eal aes fe S| See Pin’s |Round-| White-| Hybognathus nu- 
head. ish. chalis. 
ESBSe-| Aasedel becncs Sasa s isd CA ceriar | le cesses seaeae DV |oc.2--c|=-----==| Corezonusiferaasss 
Peete eel cer <| a ao cee steer e ae tote 2s] c Sees 1| Sub- | White-| Ameiurus melas. ---. 
spher- 
ical. 
sthnda| Hatecs Ptaaos Rese sec creates Sesasasalseceo Present. .-------+.--.--|| Rhamdia sebwes--..- 
Pseudoplatystoma 
fasciatum. . 
Be a ee nite alate nical date ante onl Gea sine Nl eree ace eee ee 0:44 to |.......-| Whit- | Lucius lucius-..---- : 
1-09. ish. 
bee aoe Re lide eos ree be malas gemeo ee oe nol Seba cee eel teeee eel eaeeeme Lucius lucius.-.----- | 
Perea fluviatilis .-.-. 
see Fadl MAES Te Gaoced pocacsed Geese. ccd Bocacta sess e 10 to 30| Spher- /Yellow-| Coregonus fera ...-.. 
by 7 to} icalor| ish 
20. oval. | white. 
Bese alieteeme tte ec il totems x 1/(2 9) |: 2222) Hilbert(|:.-2=--\-2----=-| Coregonus teraie. cae 
to small 
walnut. 
Sesh oe BAt oe Geet Srl BE ascaee sacrecsel eacacterdel ssccies cee ek ele cea senear cc Lota lota....---..--- 
Se Teaal| ssoeiwelleeets aera cc oul anieeccs cleus semenlsaec am IN iis yee ace moran saeoes becgaae Gado osesedco cc 
Form variable, maximum diameter 35 or 40 1; en- | None ......------------ Onus tricirratus -.-. 
doplasm destitute of spherules; pseudopodia 
ectoplasmic, lobed, filiform variety absent; 
myxosporidium destitute of prolongations. ; 
Maximum length 85, maximum breadth 20 »; | None ....-....--------- Dasyatis pastinica-- 
form variable, usually subfusiform; anterior 
* end round, posterior attenuate, round, or mul- 
tilobate; pseudopodia ectoplasmic ad plur. 8, 
subfiliform, limited to anterior end, maximum 
pee 3 that of myxosporidium; movements 
rapid. 
86 | Form irregular, variable; prolongations 1 to 5 | None ...--.------------ Lophius piscatorius- 
with endoplasmic axis and ectoplasmic cover- 
ing, immovable, maximum length twice that 
of central portion of myxosporidium; pseudo- 
podia ectoplasmic, lobed; place of origin vari- 
able. 
