294 REPORT OF THE COMMISSIONER OP FISH AND FISHERIES. 

 Plate 12— Continued. 



Fig. 2. Pathological anatomy (X 1). Longitudinal section of diseased mnscle of 

 CraiKjoii nilf/aris, showing fibrilke with normal aspect preserved, and pan- 

 sporoblasts in diiferent stages of development, and spores. 

 Fig. 3. Thelohania macrocystis (after Garbini. X Iji 

 3rt-c. Sporophorons vesicle and spores. 

 3fL Spores. 

 3e. A section of the diseased tissue. 



PLATii; IS 



Fig. 1. Miixohohis nnieapsulatus (rtfter Miiller. X 1). 



la, b. Vertical view of spores, showing the single capsule and the sporoplasm; 

 Ic. Vertical view of spore, showing sporojilasm (and vacuole?). 

 id. Transverse view of spores. 

 Fig. 2i Mjixoholm incquaUa (after Miiller. X 1). 



2rt. Vertical view, showing the unequal capsules and the sijoroplasm, 

 21), Transverse view. 

 Fig. 3. Mijxobolus piriformis and M. ellipsoides. Spores highly magnified from 

 Malpighian corpuscles of spleen of 'J'iiica liiica (after Balbiani. X 1). 

 3A. Nos. 1, 2, 6, Afiixobolus piriformis f (see p. 211, footnote 1), showing the elon- 

 gate pyritbrm outline and the single capsule. 

 Nos. 3, 4, 5, 7, Miixobolus ellipsoidesf (see p. 211. footnote 1). 

 3B, C. Myxoboliis piriformis or M. eUipsoides (which?). 

 Fig. 4. "Degenerated forms" from the spleen, liver, and kidney of Tinea tinoa (after 

 Balbiani. x f). 

 4a. Myxobolus ellipsoidesf (see p. 211). 

 ib, c. Myxoboliis piriformis (seep. 211). 

 id-f. Myxobolua piriformis or M. eUipsoides (which?). 



Plate 14. 



Figs. 1-3. Myxobolus brachycystis (after Remak). 



1. Pigment follicle from spl(!en of Tinea tinea, containing Z ''vesicles" [pansporo- 



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

 taining vesicles which fill the cyst. (All fide Rem;ik. x 1.) X 200. 



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



X 375. 

 2a. Showing spores and numerous pigment cells. 

 2b. Showing 2 smaller vesicles, each 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 branchiae and in the 

 kidneys. (All /(?e Remak. X f.) X 675. 

 Fig. 4a-flf. MyxobolasF sp. 38 (after Lieberkiihn. X t). X 675. 

 4a. Vortical view of spore. 



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

 ie-g. Free sporoplasmata of spores. 

 Figs. 5,6. Myxobolus? miifjilis (after Perugia. X 1). 



5. Branchial lamella of Mugil auratus with cysts. 



6. Vertical view of spore. 



Fig. 7. Myxobolus sp. 40 (after Lieberkiihn in Butschli. x |). X about 1050. 

 7a. Vertical view. 

 7b. Transverse view. 

 Figs. Sa-d. Myxobolus oviformis. From cyst of fins of Gobio gobio; safranin and gen- 

 tian violet (after Thelohan. X 1). 

 8b. Vertical view of sporp showing 1 nucleus. 

 8c. Same, with 2 nuclei. 

 8d. Same, with 3 nuclei. 



