FOLSOM. — JAPANESE COLLEMBOLA. 269 



35, 36) ; rauci'ones (Fig. 35) oblong-lauceolate, serrate upon both edges. 

 Length, 2 mm. 



Three types, from Komaba, Tokyo, November 16, 1894. 



P. denticulatas' most nearly approaches the North American P. mar- 

 moratus Pack. (73, p. 42), of which I have examined the types and with 

 which I am inclined to regard P. lymculosus Schott ('91, pp. 14, 15, Taf. 

 3, Figs. 1-3) as synonymous. 



Genus Sminthurus Latr. 



Sminthurus horterisis Fitch. 



(Plate 3, Figs. 37-40.) 



1863. Smynthurus hortensis Fitch, pp. 6G8-673, Figs. 



1841. Harris, p. 125. 



1842. 



1844. Smynthurus sp. " Fig. 



1969. " [cHCumeris] " p. 362. 



1871. Sminthurus pruinosus Tullberg, p. 145. 



1872. " " " p. 31, Taf. 3, Figs. 13, 14. 



1873. Smynthurus quadrisignatus Packard, p. 44. 

 1876. Sminthurus lineatus Reuter, p. 83. 



1891. Smynthurus hortensis MacGillivray, p. 271. 



1891. " frontalis Uzei, p. 37, Taf. 1, Fig. 3, Taf 2, Figs. 3-5. 



1893. Smint/iurus pruinosus Schott, pp. 28, 29, Taf. 2, Figs. 13-16. 



1895. " " Reuter, pp. 10-12. 



1897. " " Schaffer, p. 26. 



1897. Smynthurus albamaculata Harvey, pp. 124-126, Figs. 1-5. 



1898. Sminthurus pruinosus Sclierbakow, p. 60. 



General color dark purple, spotted with pale yellow ; antennae, legs, 

 and furcula paler purple. Head densely clothed with short proclinate 

 settB. Eyes (Fig. 37) upon large black patches, broadly surrounded 

 with pale yellow ; vertex yellow ; geiife with several circular yellow 

 spots. AntennjE over half as long as the body, with segments related 

 as 2 : 4 : 17 : 15 ; terminal segment composed of seven subsegments : 

 the apical two thirds of the terminal segment (Fig. 38) consists of six 

 subsegments, of which five are subglobose, while the last is elongate- 

 conical and itself represents three subsegment?, which however are not 

 distinct as such. Legs bristly ; segments darker apically ; superior claws 

 (Fig. 39) tapering, slightly curved, unidentate near the middle of the 

 inner edge ; inferior claws three fifths as long, entire, apex acuminate, 



