Fig. 
87 
88 
89 
go 
g2 
93 
oy 
95 
96 
97, 
98 
Ny) 
100 
101 
102 
A Stickleback affected with Schistocephalus solidus . 
Author’s original. Enlarged 
A Section of Same, showing cysts . 
Author’s original 
Ascaris acus, a Nematod parasite 
After Cobbold 
Cocullanus elegans, a Nematod parasite , 
After Zeder 
Echinorhynchus proteus, an Anthocephalous parasite 
After Hamann and Westrumb 
Echinorhynchus angustatus, an Anthocephalous parasite 
After Busk 
Echinorhynchus anthuris, an Anthocephalous parasite . 
After Cobbold 
Carp Leeches attached to the head of a small-mouthed Black Bass 
Author’s original 
Pisciola funduli, the Carp Leech 
After Diesing 
Trichodina pediculus, the polyp-louse . 
After Zernecke 
Hydrachna geographica, an Arachnid parasite . 
Author’s original 
Lernacera cyprinacea, a Crustacean parasite 
After Baird 
The Same, attached to the gill of a large-mouthed Black Bass . 
Author’s original 
Argulus catostomi,a Crustacean parasite , 
Author’s original 
Lymphosporidium trutta, a Protozoan parasite 
After E. F. Smith 
Myxobolus sp. incert, a Sporozoan parasite . 
After Gurley 
102a The Same, on the head of a Goldfish . 
103 
104 
1O4A 
105 
106 
107 
108 
109 
110 
113 
114 
Author’s original, from life 
Myxobolus cyprini, a Sporozoan parasite . tae 
Encysted in the kidney of a Carp. After pou 
Myxobolus ellipsoides, a Sporozoan parasite . . en Ye 
Encysted in the tissues of the Air-bladder of a Tench. ’ After Gurley 
Myxosporidium genus incert sp., a Sporozoan parasite . art 
Encysted in the skin and tissues of a minnow. After inn, 
Ichthyophthirius multifiliis, an Infusorian parasite 
After Fouquet 
Head of a Catfish afflicted with /chthyophthirius multifiliis 
After Stiles 
Pantotrichum lagenula, an Infusorian parasite 
After Kent 
Holotrichus mystacea, an Infusorian parasite 
After Kent 
Chromatophagus parasiticus, an Infusorian parasite . 
After Kent 
Tetramitus nitschei, an Infusorian parasite . 
After Weltner 
Saprolegniacea, Vegetal parasites 
After Humphreys 
Floating Arrowhead, Sagittaria natans 
Author’s original, from nature 
Fanwort, Cabomba caroliniana 
Author’s original, from nature 
Eel Grass, Va/lisneria spiralis 
Author’s original, from nature 
372 
Page 
- 149 
149 
149 
. 150 
ago 
wiigia 
.. 1s 
Pa es 
. a2 
, 252 
. 15S 
. 52 
- 153 
- 154 
- 154 
- 154 
= HSS 
- 155 
- 155 
eat 
Be LES 7/ 
3 Se 
. 188 
