Spiders of the Suh-Famihj Lijssomance. 225 



Group I. Lyssomanii. 



Quadrangle of eyes never more than one-third wider than long Lyssomanes. 



Quadrangle of eyes at least twice as wide as long Asamonea. 



GENUS LYSSOMANES Hentz. 



Cephalothorax moderately high, sloping downward behind and on the sides 

 from the caput; about one-thu-d longer than wide. General form 

 oval. Caput occupying one-half or nearly one-half of cephalothorax. 



Eyes arranged in four transverse rows of two each. Eyes of firet row close 

 together, from two to three times as large as those of second row, 

 occupying the entire face. Second row just behind first and about 

 as wide (sometimes a little wider or narrower). Third row composed 

 of two very small eyes, plainly nearer the second than the fourth 

 row; narrower than second and wider than fourth row. Eyes of 

 fourth row about as large as those of the second and nearer together; 

 quadi'angle formed by second and fourth rows as wide as long or 

 from one-fourth to one-third wider. 



Sternum somewhat heart shaped; length and width about equal. 



Coxae separated by the width of the labium and part or aU of the maxillae. 



Maxillee shghtly enlarged at extremities. 



Labium about as wide as long or a little longer than wide. 



Abdomen long, slender, tapering, spinnerets short. 



Legs usually long and slender. Relative length variable. Long and slen- 

 der femoral, tibial, metatarsal and usually patellary spines on th e 

 four pairs. 



Sub-genus Maroussa.* Second row of eyes always wider than first. Eyes 

 of second row frequently only about one-third as large as those of 

 first. 



Sub-genus Jelskia. Second row of eyes not wider than first (equally wide 

 or a Uttle narrower). Eyes of second row relatively larger than in 

 Maroussa and often placed directly above those of first row, looking 

 forwarcj. 



Sub-Genus Maroussa. f 



A. Quadrangle of eyes not more than one-fourth wider than long. 



Femur of the first as long as femur and patella of the second; meta- 

 tarsus of the first bent antillamis. 



(San Domingo). 

 Femur of the first scarcely longer than femur of the second; metatar- 

 sus of the first not bent , unicolor. 



(Peru)' . 



* Russian proper name. 



t All the species of the sub-genus Maroii^sa have the leg formula 1 2 3 4, excepting mo- 

 destxis, Madagascar (4 1 3 2), and antillanus, San Domingo CI 4 3 2); while in the sub- 

 genus Jelskia the formula 12 3 4 occurs in only three species, atnazoniciis, nigropictas and 

 layidus. 



O 



