ON THE TOOTH-GENESIS IN THE CANIDiE. 445 



of the tarsi ferruginous; abdomen with the apical segment above 

 obscurely, and an irregular oblique streak on each side of the 3rd 

 segment at base a beautiful pale green, the apical two segments 

 are also fringed with a thin white pubescence ; wings hyaline 

 and iridescent, nervures and tegulse testaceous. 



2 • Length 12 millim. ; exp. 20 millim. 



Mab. Kumaon, 'N. India. 



A very beautiful and distinct species, which I have ventured to 

 name after its collector. 



EXPLANATION OF PLATE XIX. 



Fig. 1. Pseudagenia Erigone, sp. nov., § , 



2. „ artemis, sp. nov., J . 



3. Paragenia argentifrons. Smith, 5- 



'da. „ ,, „ (S . Outline of intermediate coxa. 



4. Pompilus unifasciatus, Smith, § . 



4 a. „ „ „ 5 . Head from the front. 



5. „ AlicicB, sp. nov., 5 • 



5 a. „ „ „ 5 . Head from the front. 



6. Salius Autolycus, sp. nov., 5 . 



7. „ satelles, sp. nov., cT • 



8. „ terrenus, sp. nov., $ . 



9. ,, venatorius, sp. nov., cJ. 



On the Tooth -genesis in the Ganidce. By H. "W. Mapett 



Tims, M.D., JF.Z.S., Lecturer on Biology and Comparative 



Anatomy, Westminster Hospital Medical School. (From 



the Huxley Eesearch Laboratory, Boyal College of Science, 



London.) (Communicated by Prof. G. B. Howes, Sec. Linn. 



Soc.) 



[Eead 7th May, 1896.] 



The main ohj ect with which this research was undertaken was 

 to trace the order of cusjD-development and the inter-relationships 

 of the various cusps in the teeth of the Cauidse, and to examine 

 into the evidence thereby obtained bearing upon important and 

 interesting problems of Phylogeny. 



While this has been the main object, other secondary questions 

 have not been overlooked. These questions may be briefly 

 enumerated as follows : — 



