The Embryology of Heterodontus japonicus 



691 



Text-figure 23. 



A young female Japanese Bullhead Shark, Heterodontus japonicus. This specimen, collected in Japanese 



waters, was about 406 mm. (16 inches) long, and was drawn after preservation in alcohol. 



After Maclay and Macleay, 1884, Fig. 1, pi. 20. Right and left are here reversed. 



(Shimoda, at the entrance to the Sagami Sea?) by the Perry Expedition to Japan. Brevoort 

 states that all the drawings of fishes were made from recently procured specimens; but 

 that no professional zoologists accompanied the expedition, hence in making the drawings 

 no close attention was paid to specific characters. From the small si?e of Brevoort's 



Text-figure 24. 



Dorsal view of the 406-mm. (l6-inch) preserved female specimen of Heterodontus japonicus shown in lateral 



view in Text-figure 23. The inset figure is an outline of a front tooth. 



After Maclay and Macleay, 1884, Figs. 2 and 5, pi. 20. 



