172 BULLETIN 46, UNITED STATES NATIONAL MUSEUM. 



Analysis of the species of Seolopendra. 



a. Femora of the penultimate pair of legs without spines at their upper exterior 

 apex (Scolojjendra). 

 o. First dorsal plate without a transverse sulcus, 

 c. Second tarsal joints, except those of the anal or anal and penultimate pairs 

 of legs, armed "beneath with a spine. 



d. Femora of anal legs with two spines, both within Dehaani. — 4. 



dd. Femora of anal legs with 4-5 spines, always two beneath; angular spine 



simple or bifid Subspinipes. — 5. 



ddd. Femora of anal legs armed with 10-15 spines, 4-6 within, 6-9 heneath 

 and arranged in three series; angular spine tri- or quadrifidj 



femora and tibiae of anal legs margined Morsitans. — 6" 



. First dorsal plate with a transverse sulcus. 



e. Second tarsal joints of all the legs unarmed. Anal legs short, armed with 



10-12 spines, angular process simple or hifid; first eight anten- 



nal joints not hirsute Woodii. — 7. 



ee. Second tarsal joints, except those of anal pairs of legs armed. 

 , f. Length 50-70 mm in adults ; spines of anal legs 10-18. 



g. Anal legs stout, width of femora 2 in width of cephalic plate, apical 



process armed with 4-5 spines (western species).. Pachypus. — 8. 



gg. Anal legs moderately short and stout, femora 2£ in cephalic plate, 



apical process with 2-4 spines (eastern species) Viridis.- -9. 



ff. Length 100-150 mm in adults ; spines of anal legs 17-25; anal legs rather 



long, apical process with 3-10 spines Heros. — 10 



aa. Femora of penultimate pair of legs with spines at their upper exterior angle (Col- 

 laria). 

 h. First dorsal plate without a sulcus. 

 i. Anal legs long and slender, femora armed with 30-50 spines, api- 

 cal process with 6-8 spines ; joints of antennas 17 Crudelis. — 11, 



4. — Seolopendra dehaani. 



1841. — Seolopendra dehaani Brandt. Recueil, 59 ; Kohlrausch, Archiv f. Naturg., 1881 ; 



Meinert, Proc. Amer. Phil. Soc, 203, 1886 (San Francisco, Gal.; a type of Wood's 



bispinipes) ; Underwood, Ent. Amer., 64, 1887. 

 1862. — Seolopendra bispinipes Wood, Journ. Acad. Nat. Sci. Phila., 28 (San Francisco, 



Cal.); Wood, Trans. Amer. Phil. Soc, 166, 1865. 



Habitat. — Cosmopolitan, found throughout the tropics, in United 

 States only in California (San Francisco). 



Etymology: Named after a Mr. De Haan. 



No doubt when this and other cosmopolitan species have been care- 

 fully studied several geographical varieties may be recognized. 



5. Seolopendra subspinipes. 



American synonymy. 



1815. — Seolopendra subspinipes Leach. Trans. Linn. Soc, 383; Gervais, Ann. Sc. Nat., 

 50, 1837; Lucas, Hist. Nat. Auim. Art., iv, 544, 1840; Brandt, Recueil, 59, 

 1841 (Brazil); Kohlrausch, Archiv f. Naturg., 96, 1881; Meinert, Proc. Amer. 

 Phil. Soc, 202, 1886; Meinert, Myr. Mus. Haun., in, 27, 1886; Underwood, 

 Ent. Amer., 34, 1887. 



