F'g- Page 



56 Difference at anal region of Female and Male Goldfishes 91 



Author's original 



57 Diagram of the vertebra and tail-rays of Goldfishes . • • 97 



Author's original 



58 Plans of a Greenhouse for Goldfish Propagation 105 



Author's original 



59 and 59A Plan of a Fish Farm . . io6, 107 



After Wozelka-Iglau 



60 Arrangement for a Large Fish-culture Establishment 108 



Author's original 



61 and 61 A Pond Aquarium .... ... . . . 109, iio 



After William P. Seal 



62 and 63 The Aquarium Grotto at Washington, D. C. . . no, in 



After Mr. William P. Seal 



64 Branchipus stagnalis, a Crustacean 118 



Author's original, from life 



65 jipus cancriformis, a Crustacean 119 



Author's original, from a specimen in alcohol 



66 Daphnia pulex, a Crustacean 119 



Author's original, from life 



67 Polyphemus pedecttlus, a Crustacean ... 120 



Author's original, from life 



68 Leptodera hyalina, a Crustacean 1 20 



Author's original, from life 



69 Cypris virens, a Crustacean . . . .... ... . . 120 



Author's original, from life 



70 Cyclops thomasi, a Crustacean . 121 



Author's original, from life 



7 1 Gammarus pulex, a Crustacean i 2 z 



Author's original, from life 



.72 Asellopus tenox, a Crustacean . 122 



Author's original, from life 



73 Freshwater Crayfish. Natural size . . ... 123 



After Sidney I. Smith 



74 Rotifera i 24 



Author's original, from life 



75 Fungus on Spawn 134 



After Livingston Stone 



76 Head of a Goldfish affected with White Fungus 135 



Author's original 



77 Head of a Goldfish affected with Black Fungus . 136 



Author's original 



78 Trematod Parasites taken from imported Japanese and Chinese Goldfishes . . . .137 



Author's original 



79 Tail of a Goldfish affected with Tail-rot 140 



Author's original 



80 Gyrodactylus elegans, a Trematod parasite 147 



After Van Beneden and Wedl 



81 Z)///ff«a«; ^rtfri/^, a Trematod parasite .148 



After Zeder 



82 Diplostomum cuticola, a Trematod parasite i'48 



After Nordmann 



83 Gasterostoma gracilescens, ^.Txe.mM.o^'^isz&Me. 148 



After Cobbold 



84 Bothriocephalis proboscideus,ACe?,X.oAc^a.rAs\te 148 



After Leuckart 



85 Ligula simplicissima, a Cestode parasite 148 



After Lampert 



86 Schistocephalus solidus, A CeitoA^MASitt 148 



After Bade 



371 



