Vol. XXvi] ENTCmoLOGlCAL NBWS. Ill 



geiraal. Tartal cbws of all the legs rather •mil. and ttrongly cnnrcd. 

 Total length of female. Ouq6 mm. ; width, aTO mm. 



Male. — Not found. 



Pr^ni Vnies, Iowa; taken from .Um.» mttut T inn hv TI E. 

 Ev, 



An adult female and an immature individual obtained. 

 This species differs from H. amrruamms Banks in having 

 shorter and much stouter legs, in having larger mouth-parts, 

 etc. The fourth pair of legs in //. amrrUomus Banks ex- 

 tend beyond the tip of the abdomen : in //. sangmmeus n. ap. 

 thrv r.ill far short of the tip of the abdomen. 



Fun. DnMAKYssnAi. 



LiponjTMns spiniger n. sp. (Plate IV, Fig. S.) 



A rather Urge, dark brown ipcciea. Intcgummi wni rhiumrrd. 

 Body and appendages wdl clochcd with p ro m i awa stool spines. 



Fr«uii#.— Ifoatb-parts only moderateljr p roa rin eii l ; palpi aboot one- 

 half as long a« firtt pair of \ev%. with timpie M«mmt« and no large 

 ■pines. Chelicerae slender 



Cephalothorax not drmarcur.i ir<>m afxl'-mm. *tr.>inj!\ rnurRinate 

 on its tide*, and ending anteriorly in a medium |upilU-ltkr pri>crt«. 

 Dortally the ccphalocborax bears several pairs of very short, stout, 

 slightly curved, sharp spines; one of these pairs is situated on the 

 anterior papilla-like process, two pairs are situated lateralljr. and one 

 pair is sttualcd on the antcro-laicnU margin of the shoolders. Besides 

 theie short, stout spines, a longer itraigbl pair is sitoatcd on the anterior 

 aspect of the papilh-like process. 



Ahdomen about three-fourths as broad as long, broadest above the 

 last pair of legs, and evenly rounded behind. Ahdomen clothed with 

 prominent spines: those on its dorsal surface rather short but sharp, 

 those on the sides of abdomen large, stout, and slightly curved. On 

 the posterior margin of ahdomen is situated a single pair of spines, the 

 kmgest pair found on the body. Anal pbte about three-fourths as 

 broad as long, broadest at its base and rounded at its tip: with but 

 a single spine which is located on its p o st erior margin at the median 

 line. 



Legs stout, the first and second pairs subeqnal and stouter than 

 the third and fourth pairs. Last pair of legs extending to Uie level of 

 the posterior margin of the ahdomen. All the legs well clothed with 

 spines : the first legs each bear two enormous spines on the dorsal 

 «nrf.^ce of the femur: the outer is slightly the larger and considerably 

 longer than the segment from which it springs; abme the inner at the 



