32 
Fridtjof Nansen. 
[No. 7. 
puscle. Zeiss. F, 1; drawn under the Cam. lue. direct 
upon the stone, from the natural object. 
Fig. 6. Portion of the reproductive organ of a hermaphrodite- 
male showing the gradual transition of the posterior male 
portion into the anterior female portion. By a mistake, 
the figure has been transposed in drawing the posterior, 
testicular, portion, which now is on the left side but should be 
to the right side. t, t\ t", Testes. ov lf ov 2 , ov z Young ova. 
ov x and ov 2 etc. are situated inside the testes f and t". 
me. Mesoarium or mesorchium. i. Intestine. Drawn 
natural size direct upon the stone, from the natural object. 
> 7. Transverse section of the male reproductive organ of a 
hermaphrodite-male. t. Testes, me. Mesorchium. i. Wall 
of intestine. mes. Mesentery. b. Thickening by which 
mesorchium and mesentery are fastened to the intestine. 
ca. Immature testicular capsules. ca,, ca 2 , ca z Testicular 
capsules containing nearly ripe spermatozoa. Zeiss a 2 , 2\ 
drawn under the Cam. lue. from the natural object, direct 
upon the stone. 
» 8. Transverse section of the anterior portion of the generative 
organ of a »true« male. The testicular capsules are, all 
of them, immature in this portion. The letters have the 
same signification as in fig. 7. Zeiss a 2 > 2\ drawn in the 
same way as in fig. 7. 
» 9. Transverse section through the anterior portion of the 
reproductive organ of a hermaphrodite-male. The letters 
have the same signification as before. In this section ova 
(ov.) are seen, as well as testicular capsules (ca.), both 
being mixed along the whole anterior portion of the 
reproductive organ of this specimen. Zeiss. a 2 > 2. Drawn 
in the same way as in fig. 7. 
» 10. Transverse section through the same portion of the herma- 
phroditic organ of the same specimen, more highly magni- 
fied. me. Mesorchium. ov, Ovum situated to the inside 
of the testicular capsules, as is the rule when the organ is 
hermaphroditic in this way. ov 2 , ov$. Ova situated exter- 
nally to the testicular capsules. ca. Testicular capsules. 
e. Thickening in the mesorchium. cp. Connective-tissue 
capsule enveloping the ovum. Zeiss AA, 2. Drawn in 
the same way as in fig. 7. 
