106 GEO. H. HORN. M. I). 



EXPLANATION OF PLATE L 



C. badium, I complete % , 2 imperfect % , 3 female. 



C. floridanum, 4 % only form known, 5 female. 



C. anceps, 6 ■^ only form known. 



C. despecium. 7 complete % . 



C. lugubre,'^ % only form known,, 9 female. 



C. obliquum, \0 %. 



C. bicolor, 11 complete % , 12 incomplete % , 14 female. 



C carolinum, 15 complete % , 16 imperfect % . 



C. Leroniei, 17 complete^ 'Ji > 18 incomplete 'J, . 19 imperfect % . 



C. texanum, 20 complete % , 21 incomplete % , 22 imperfect % . 



C. vagum, 2" complete % , 24 incomplete % . 25 imperfect % . 



EXPLANATION OF PLATE IL 



C. pimerianuvi., I complete % , 2 imperfect % . 



C. arizonense, ?> complete % , 4 incomplete %, , b imperfect % . 



C. ventrale, C> complete % . 7 and 8 incomplete ^ '^ , 9 imperfect % . t 



C. prospiciens, 10 complete 'J, , 11 incomplete % , \2 female. 



C. tumidum, ^?, %. 



C. call for niciim, 14 'J,. 



C. pallipes. 1 5 'J, . 



C. properum, 16 ^ . 



C. pusil/um, 17 % . 



C. nactum, 1 8 q . 



C. cribratum, 19 '^ . i 



C. sellattim. 20 'J, . ; 



C. serpentinum, 21 '^ . 



22. — Head of C. obliquum. 



23. — Head of C. serpentinum. 



24. — Head of C bicolor, pimerianum, etc. 



25. — Head of C. prospiciens. 



