84 University of Michigan 



Plate I 



Gloincridesiiiiis orphnius, sp. nov. 



Fig. I. Collum and tergite. X45. 



Fig. 2. Lower part of tergites XIII, XIV and XY. x 45. 



SipJwnophora gyaciliceps, sp. nov. 



Fig. 3. Anterior end, dorsal view. 



Fig. 4. Anterior pleuritc. x 75. 



Fig. 5. Pleurite of posterior region, x 75. 



SiphonopJwra pcarsci. sp. nov. 



Fig. 6. Rostrum, etc., in side view, outline, x 30. 

 Fig. 7. Pleurite of right side, anterior region, x 75. 

 Fig. 8. Pleurite of left side, posterior region, x 76. 



