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Psyche 
[Vol. 91 
conductor thickened at tip, bearing dark, shiny, knoblike 
process near tip (as in Figs. 21, 26, 38) 8 
5(4). Median apophysis with distal process straight at tip (Fig. 
8, arrow) sagei Gertsch and Wallace 
5'. Median apophysis with distal process hooked at tip (as in 
Figs. 9, 10, 14) 6 
6(5'). Terminal apophysis separated from mesal swelling by 
acute angle (Fig. 12); median apophysis with distal 
process strongly hooked (Fig. 9, arrow) 
fastosa (Keyserling) 
6'. Terminal apophysis separated from mesal swelling by 
broad curve (Fig. 13, arrow); median apophysis with 
distal process weakly hooked (Fig. 10) 7 
7(6'). Median apophysis with marginal swelling broad (Fig. 10, 
arrow) desolatula Gertsch and Davis 
7'. Median apophysis with marginal swelling narrow (Fig. 
14, arrow) mayana sp.n. 
8(4'). Patella (and sometimes additional segments) of palpus 
covered dorsally with reflective white setae (most notice- 
able in living or dried specimens) (Figs. 16-18); conductor 
sinuous along basal margin (Fig. 21, arrows) 9 
8'. Patella of palpus covered dorsally with dark setae (though 
few reflective white setae may be present); conductor with 
single curve along basal margin (as in Figs. 25, 38) . . . 
11 
9(8). Tibia (as well as patella, and sometimes basal half of 
cymbium) covered dorsally with reflective white setae 
(Figs. 17, 18) 10 
9'. Tibia of palpus covered with dark setae (Fig. 16) .... 
saxatilis (Hentz) 
10(9). Basal half of cymbium (except narrow band at basal 
margin) covered dorsally with dark setae (Fig. 17).... 
atlantica Emerton 
10'. Basal half of cymbium covered with reflective white setae 
(Fig. 18) parvula Banks 
11(8'). Terminal apophysis large, extending basad to or beyond 
tip of embolus (Figs. 22, arrow, 25) 
littoralis Banks 
11'. Terminal apophysis smaller, extending only short dis- 
tance basad (as in Figs. 24, 35, 42) 12 
