212 
Psyche 
[December 
6b. Median apophysis without thorn 7 
7a. A thorn on ectal side of palpal bulb ( 1 955, figs. 7, 9) 8 
7b. No thorn on ectal side of bulb 9 
8a. Radix with evenly rounded swelling ; ectal thorn large (1955, 
fig. 7) ; Panama C. vail crisis Levi 
8b. Radix with round boss; ectal thorn small (1955, fig* 9) >* Pana- 
ma, Peru C. diplosticha Chamberlin and Ivie 
9a. Radix with a swelling; conductor almost lanceolate in ventral 
view (1955, fig. 11) ; coloration as in 1955 fig. 12; Panama .... 
C. indicifer Chamberlin and Ivie 
9b. Radix without swelling; conductor hook-shaped (1955, fig. 
1-6) ; coloration otherwise 10 
10a. Radix with a mesal fold, (1955, figs. 1-4); abdomen usually 
with spots; North Carolina to Brazil 
C. albomaculata O. P.-Cambridge 
10b. Radix without fold (1955, figs. 5, 6); abdomen without dis- 
crete spots; Panama to Argentina C. vexabilis Keyserling 
1 1 a. Prominent ventral embolus biforked (Figs. 8, 13) 12 
11b. Embolus otherwise 13 
12a. Embolus long, reaching base of bulb (Fig. 13) ; southern Brazil 
C. nigrosternum Keyserling 
12b. Embolus short, covering distal two-thirds of bulb (Fig. 8) ; 
Minas Gerais C. gounellti sp. n. 
13a. Distal end of cymbium truncate 14 
13b. Distal end of cymbium rounded 15 
14a. Ventral view as in Fig. 18; southern Barzil 
C. per pie xa Keyserling 
14b. Ventral view as in Fig. 28; Venezuela C. simoni sp. 11. 
15a. With long thread-shaped embolus of even diameter (Fig. 23) ; 
Costa Rica to Trinidad C. questona sp. n. 
15b. Embolus otherwise 16 
16a. Embolus corkscrew-shaped, on distal end of bulb (Figs. 89, 94) 
: 17 
1 6b. Embolus otherwise 18 
17a. Embolus larger than remaining portion of bulb (Fig. 89) 
abdomen higher than long; Panama to Ecuador .... C. silva sp. n 
17b. Embolus one-third length of remaining portion of bulb (Fig 
95) ; abdomen longer than high; Costa Rica, Panama 
C. volcanensis sp. n 
1 8a. Embolus with distal portion hook-shaped (Fig. 47) ; Mexico to 
Venezuela C. cambridgei (Petrunkevitch) 
18b. Embolus otherwise 19 
