VISCERAL ANATOMY OF THE CHAKACINID.K, 



81 



Plate 4. 



Fig. 12. Prochilodus lineatits. 



1.'5. Distichodus Antunii. 

 13 a. Cithar'tnus macrolejjis. 



l-l. Leuciscus I'll til Its. 



15. Catustomus macrulepidotiis. 



K). Clarias lazera. 



17. Malapteriiriis electiicus. 



18. Stcriiopyi/us campus. 



19. Salmo trutta. 



20. Petrocephalus Lane. 



21. Gyinnarchus niloticus. 



22. Nutopterus kupirut. 



23. Elops saurus. 



24-. Albala conorhynchus. 



25. Ciiipea sprat/us. 



26. Chirocentrus dorab. 



27. Galaxias trultaceus. 



28. E,?o.« lucius. 



29. Sarcodaces odo'e. Ovaries form closed sacs, with investing membranes wliicli continue as 



short ducts uniting just before their opeuiug ou the exterior. No communication with 

 general body-cavity. Ova large. 



30. Alestes mase. Ovaries differ from the preceding in having a shorter backward extension, witli 



a proportionally larger common oviducal space. No communicatiou with general 

 bodv-cavitv. 



Reference Letters. 



bl., air-bladder. 



b.s., blind sac. 



ce., cellular structure. 



C.O.S., common oviducal space. 



d.p., ductus pneumaticus. 



/./•., longitudinal ridges. 



m.s., membranous sac. 



ce., oesophagus. 

 ov., ovaries. 

 p.c, pyloric cieca. 

 si.c, cardiac stomach. 

 st.pij., pyloric stomach. 

 /./•., transverse ridges. 



[Note by Author.) — The Plates arc tlie work of .Mr. .James Green, to whom my thanks arc due. The 

 figures are from my own dissections and have been drawn under my direction. All are about uatiital 

 size or slightly enlarged. — \V. S. K. 



