LIST OF ILLUSTEATIONS. XIH 



Page. 



Fig. 2. — Microdon texanus. Paratype. Portion of left spleuial, nat. size. 2. 

 Superior view. 2a. Posterior end \T.ew, outline 446 



Fig. 3. — Ccelodusfabadcns. Type. A nearly complete left splenial. S.Supe- 

 rior view. 3a. Section taken from another view 446 



Fig. 4. — Ccelodus decaturensis. Type. Portion of left splenial, nat. size. 4. 

 Superior view. 4a. Posterior end \iew, outline 447 



Fig. 5. — Anojnceodus latidens. Type. Portion of left splenial, nat. size 448 



Fig. 6. — Anomoeodus viissippiensis. Type. Portion of right splenial, nat size. . 449 



Fig. 1. — Tomocerus flavescens, var. arcticus. Eyes of right side. X320 452 



Fig. 2. — Tomocerus flavescens, yax. americanus. The abdominal segments are 

 numbered. X20 453 



Fig. 3. — Tomocerus flavescens, var. americanus. Tibiotarsus showing an abnor- 

 mal third segment. X57 453 



Fig. 4. — Tomocerus flavescens, var. americanus. Concave aspect of unguis to 

 show the form of the teeth. X644 453 



Fig. 5. — Tomocerus flavescens, yax. americanus. Left side of tenaculum. X238. 4-54 



Fig. 6. — Tomocerus flavescens, var. americanus. Posterior segments of abdomen, 

 numbered to show relative positions of terga and sterna. /, fold. X39 4.54 



Fig. 7. — Tomocerus flavescens, var. americanus. Posterior segments of abdomen 

 of male, showing protruded genital segment. /, fold. X30 455 



Fig. 8. — Tomocei-us flavescens, var. americanus. Anal segment of male, showing 

 cerci. X102 455 



Fig. 9. — Tomocerus flavescens, var. aeparatus. Bases of dentes to show seg- 

 mentation and spines. X124 456 



Fig. 10. — To7nocerus flavescens, vai. separatus. Right mucro. X275 456 



Fig. 1. — Map showing the position of the salt spring A and the mouth of the 

 Saline 645 



Fig. 2. — The salt spring A on fig. 1. The stippled area represents the gi-ound 

 impregnated with salt and barren of vegetation 646 



Fig. 3. — Section through A-B on fig. 2. The dotted line indicates approxi- 

 mately the original surface. Above this line is the accumulation of ashes, 

 charcoal, fragments of pottery, etc 647 



Fig. 4. — Graves south of village site. D on fig. 1. Grave I is shown on plate 

 54 and fig. 5 653 



Fig. 5. — Grave I on high point south of village site 654 



Fig. 6. — Thirteen petroglyphs on the floor of the cave. Their relative positions 

 are indicated on the plan of the cave, fig. 7 658 



Fig. 7. — Plan of the cave showing the petroglyphs. The dotted lines indicate 

 the channel worn in the floor of the cave. This channel continues outside 

 the cave and connects with a narrow chasm extending east and west 659 



Fig. 8. — Imprint on a fragment of pottery 663 



