50 ILLINOIS BIOLOGICAL MONOGRAPHS [50 



ANTHORHYNCHUS SOPHIAE (Schneider) Labbe" Type Species 



[Figures 58, 108] 



1887 Anthocephalus Sophiae Schneider 1887:69 



1897 Anthocephalus Sophiae Leger 1897: 11 



1899 Anthorhynchus Sophiae Labbe 1899: 19 



1903 Anthorhynchus Sophiae Minchin 1903:199,338 



1913 Anthorhynchus Sophiae Ellis 1913:279 



Sporonts solitary, obese. Maximum length 2 mm. Width protomerite 

 330/i, deutomerite 600ju. Ratio LP : TL :: 1 : 11 (without epimerite); 

 WP:WD::1.2. Protomerite small, flattened, three times as wide as 

 high, no constriction at septum. Deutomerite conoidal, widest just 

 below septum, tapering thence and ending in a broad blunt extremity. 

 Epimerite a series of short blunt digitiform processes united laterally 

 and curved inward to form a broad flattened corona. Epimerite 200/z high. 

 Nucleus not described. fife 



Spores 6.9 by 4.6/*, broad, biconical, extruded in chains laterally 

 attached. 



Intestine of Phalangium opilio. 



Taken at Poitiers, France. 



Genus SCIADOPHORA Leger 1897: 36, emend Labbe 1899: 18 

 Epimerite a large flattened centrally indented papilla with a crenulate 

 periphery. Protomerite with numerous backwardly directed leaf-like 

 processes arranged vertically, each sharply pointed at its posterior extrem- 

 ity. 



SCIADOPHORA PHALANGII (Leger) LabbS Type Species 



[Figures 59, 60, 62, and 106] 



1897 Lycosella Phalangii Leger 1897: 12 36 



1899 Sciadophora phalangii Labbe 1899: 18 



1903 Sciadophora phalangii Minchin 1903: 199,338 



1911 Sciadophora phalangii Wellmer 1911: 127 



1913 Sciadophora phalangii Ellis 1913: 280 



Sporonts solitary, very elongate, up to 2.5 mm., one of the largest 

 known species. Width not given. Ratio LP : TL :: 1 : 12; WP : WD:: 

 1.3:1. Protomerite broadly conical at apex with 15 or 16 vertical 

 lamillar plates starting below the apical cone recurving backward and 

 terminating in sharp hooks. The whole bears a resemblance to an um- 

 brella. Deep constriction at septum. Deutomerite widest at shoulder, 

 tapering to a very long slender acuminate extremity. Epimerite a large 



