V. 



OMISSIONS AND CORRECTIONS. 



Page 43. Lithobius "tyrranicus," as originally spelled (Proc. U. S. Nat. Mus., 1887, 

 p. 626), is evidently a misprint, and it appears from Mr. {tollman's manuscripts that 

 be intended to name the species " L. tyrannus." The name ought to bo changed 

 accordingly. 



Page 66. Add the descriptions (reprinted from Entomol, Amer., II, 1887, p. 229) of 

 ^he following two species : 



Family POLYDESMIDiE Leach. 



Genus Paradesmus Saussure. 



Paradesmus evides sp. nov. 



Coloration as in /'. erythropygus. Form more slender. Vertex smooth, median 

 sulcus continuous, not much excavated between the antennae. First segment more 

 rounded. Inner angle of the lateral cai^ime not serrated. Genitalia entirely dif- 

 ferent, short, robust, pilose, scarcely bent, grooved above at the end, and divided 

 into two blunt lobes. 



Length of body, 26 mm ; width, 4»"». 



Habitat. — Winona, Minn. 



I have examined one whole specimen and a number of broken ones collected by 

 Prof. J. M. Holzinger. This species can be easily separated from eryihropygus by 

 the markings of the vertex, the smooth lateral carina? and especially by the male 

 genitalia. 



Family GEOPHILID^ Leach. 



Genus Geophilus Leach. 



Geophilus glaber sp. nov. 



Olivaceous ; head, antenna?, and mouth parts brown, an indistinct black, median 

 dorsal line. Robust, attenuated posteriorly, not pilose, punctate; sternum wider 

 than long; coxae longer than wide (7:5), armed; claw moderately curved, teeth 

 weak. 



Cephalic plate large, narrowed behind, longer than wide (10:8); frontal plate 

 present; basal plate more than twice as wide as long (10:4), partly covered by the 

 cephalic plate. First joints of antenna? long. Anterior spiracle very large, oval; 

 posterior small, nearly circular. Doi'sal plates bisulcate; anterior predorsal plate 

 small, posterior large; ventral plates with a median sulcus. Posterior coxa? not 

 nuuch swollen, pores above and below, large and small. Last ventral plate large, 

 sides rounded, not converging much. Anal pore large. Last pair of feet of female 

 slender. Pairs of feet of the female, 53-55. 



Length of body, 50-53 mm ; width, 2. 5 mm . 



Habitat. — Ukiah, Cal. 



I have examined three females collected by Mr. James K. Purke. 



201 



