294 Report of the commissioner op fish and fisheries. 



Pi, ATE 12 — Contimied. 



Fig. 2. Patliolii.2;ii'iil anatomy (X i). Loiigitn diual section of diseased muscle of 

 Crdinjini riih/aris, sliowinji tlbrilhe with normal aspect preserved, and pau- 

 sporoblasts in different staj^es of development, and spores. 

 Fig. 3. Thelohania macroeystin (after Garbini. X I). 

 3«-c. Sporophorous vesicle and s])ore3. 

 Sd. Spores. 

 3e. A section of the diseased tissue. 



Platk is 



Fig. 1. Miirohnhis uuiropsulnius (after Miiller. X 1). 



\a, h. Vertical view of .spores, showing the single capsule and the sporoplasni. 

 lo. Vertical view of spore, showing sporo})hism (and va(niolef). 

 Id. Transverse view of spores. 

 Fig, 2. ^^l|xoboJlln inci/ualis (alter Miiller. X 1). 



2rt. ^'^ertical view, showing the unecjnal capsules and the sporoplasni. 

 2h, Transverse view. 

 Fig. 3. Miixoholus piriformis and M. ellipxoidest Spores highly magnified from 

 Malpighian corpuscles of spleen of Tinea tinea (after Balbiani. X 1). 

 3A. Nos. i, 2, 6, Muxnholus piriforminf (see p. 211, footnote 1), showing the elon- 

 gate pyriforin outline and the single capsule. 

 Nos. 3, 4, h, 7, .]r!ixoboliis ellipsoides':' (see p. 211, footnote 1). 

 3B, C. M>ixol)oliis piriformis or M. eUipftoidcs (which?). 

 Fig. 4, "Degenerated Ibrms" from the spleen, liver, and kidnej'^ of Tinea tinea (after 

 Balbiani. X I). 

 4a. Mifxoholus ellipsoideH? (see p. 211). 

 ib, c. Mi/xobolits ])iriformin (seep. 211). 

 4d-/. Myxobolus piriformis or M. eUipsoides (which?). 



Pl.ATK 14. 



Figs. 1-3. iljixoholus hravhiienstis (after Remalc), 



1, Pigment iuUicle from si)leeu of Ti nea tinea, coniam\n<x 3 ''vesicles" [pansporo- 



blasts], each with apyriform spore. To the right some of the pigment-con- 

 taining vesicles which till the cyst. (All ./(f/e Remak. X 1.) X 200. 



2, Three oval vesicles with pyriform spores from the kiduev of T. tinea (X f). 



X 375, 

 2a. Showing spores and numerous pigment cells. 

 2b. Showing 2 smaller vesicles, eacli with a pyriform spore. 

 2c, A vesicle showing conspicuous thickenings of its wall. 



3, Vertical view of 2 pyriform spores with 2 capsules from tubiform cysts of the 



spleen of T. tinea. Similar spores are also found on the brauchia3 and in the 

 kidneys, (All ^de Remak, X S,) X 675, 

 Fig, ia-g. Mi/xobulusf sp. 38 (after Lieherkiihn. X f), X G75. 

 4rt. Vertical view of spore. 



ib-d. Spore in act of giving exit to sporoplasm. 

 ie-g. Free sporoplasmata of spores. 

 Figs, 5,6, Mi/xobolus? mugilis (after Perugia, X 1). 



5, Branchial lamella of Mugil auralus with cysts, 



6, Vertical view of spore. 



Fig. 7, Mi/xoboliis sp. 40 (after Lieherkiihn in BLitschli. X I), X about 1050, 

 7a. Vertical view, 

 lb. Transverse view. 

 Figs. i<a-d. Mi/xobohis oriformis. From cyst of fins of Gohio goMo; safraniu and gen- 

 tiaji violet (after Thelohan, X 1), 

 Sb. Vertical view of spore showing 1 nucleus. 

 8c, Same, with 2 nuclei, 

 8d. Same, with 3 nuclei. 



