90 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 
1. Heart and venous system, X22. A, visceral vein; B, afferent; C, efferent 
branchial vein; D, communication between branchie and auricle; 
E, aorta; F, rhinophore vein; G, communication between body cavity 
and lateral sinus; H, direct communication with pedal sinuses. 
Figure 
Figure 2. Arterial system, X44. J, posterior; K, anterior branch of aorta; L, 
artery to reproductive organs; M, artery from blood gland to aorta; 
N, artery to ganglia; O, P, buccal arteries; Q, pedal artery. 
