i.in.i; \MKI:. 



411 



Male texual parti. 



Vaa deferens with seminal 



lee. 



and ureter. 



mis. 



Sinus prostaticns. 

 (I'UTus masculiuua.) 



Gubeniaculum Hunteri 



Male urethra (pare prostatica 



Penis. 



Pars caveiiiosa urethra?. 



Scrotum. 



The Development of the Suprarenal JJ<> 



43. The most anterior part of the mesonephros appears to share 

 in the development of the suprarenal bodies, since lateral l>r:mches 

 sprout out from the sexual cords, become detached, and an- converted 

 into the peculiar cellular cords of the cortical substance. 



44. The suprarenal bodies in the embryo for a time exceed in size 

 the kiln> 



LITERATURE. 



(1) J>cvch>2innt of the Musculature. 



Ahlborn. Ueber die Segmentation des Wirbelthierkorpers. Zeitschr. f. 



\\iss. Xoologie. Bd. XL. 1884. 

 Qrenacher. Muskulatnr der Cyclostomcn and Leptocanlier. Zeitschr. f. 



wiss. Zoologie. Bd. XVII. 1867, p. 577. 

 Hertwig, Oscar. Ueber die Muskulatur der Coelenteraten. Sitzungsb. d. 



Bllsoh. f. .Mfd'u-in u . Nuturwiss. .Ii-na. Jahrg. 1879. 

 Marshall, A. Milnes. On the Hr;i<l-cavities and Assu< hitc.l Nerves of 



Klnsmobranrhs. guart. Jour. Micr. Sci. V..1. XXI. 1881, p. 72. 

 Schneider, Anton. Beitiiigc zur vergk-icliciKk-n Anatomic und Eutwick- 



lun^sgfschichtc der Wirbulthiere. lierlin 181 

 Sedgwick. On the Oii.-in of Mi-taim-ric Segmentation a other 



MMi-plmlo^iral Questions. (Juart. Jour. Micr. Sci. Vl. XXIV. 1884, 



p. 43. 

 "Wijhe. Ueber die MrsMdcrii.scLiii.-iitf unu die Entwickluni: 



Selachierkopfes. Vcrhandt-1. il. k. Aka<l. van \\\-tni>ch. Amsterdam 



1883. 

 Wijhe. Ueber Soinitt-n uml Ncrvm \\\\ Kopfe von Yogel- und Keptilien- 



cmbryoncn. Xool. Anzeiger. Jalir^r. IX. Nr. L 

 Wijhe. Ueber die Kopfsegmontc und die I'liyloircnie ties (ieruchsorgans der 



Wirbelthiere. Zool. Anzeiger. Jahrg. IX. N . 288, 1886, i r '"8. 



