1!>S lU'LLKTlN 46, UNITED STAIKS NATIONAL Ml'SEUM. 



16. Scolopendra heros <iii'iir(i. 



\mn).— Srohipeiidra nztvra Sanssnro. Myr. Mex., 124. 

 Ih<i0. — Scttloiu iiditi oloinUa SiiiisHnrc. Mvr. .Mex., 12.'). 

 18()U. — Saihipt iidni miiiin Simssiire. Myr. Mex., VJi't. 



Ace. 1817H, Ciianajtiato, Mex.; l)iij;i'8. 



A r()iii])aiisoii of this Hpecimen witli SiUis.miro's Mexicnu .spocios lias 

 led me to leyiird the above as syiionyiiis of In ran. 



17. Scolopendra pachypus Kolilrnus<'h. 



Aco. 1!»S11. Tnixillo. Honduras; C. H. Towii.><en<l. 



One si>ecimen. It only differs from ptichj/piis in size; len«;th, 8."*""". 

 All the known jKichifitus are not more than 05""" lony*. 



18. Scolopendra nicaraguensis, Bp. iiov. 



DiHfiHofiis. — I'elated to Srolopoulra hvros (Jirard bnt the anal pair of 

 legs thicker and shorter; lirst 1.") dorsal plates imniarjiinate: last anal 

 ])late shorter and ^vider. 



Type.— Acq. 19()!M.), V. S. Nat. Mnsenni. 



Eahitdt. — Nicarajiua; Dr. IJrausford. 



Description. — l)(»rsa) plates dirty yellowish <^reen; legs and under 

 parts yellow; antenna* pale; prehensorial pair of legs dark orange. 

 Moderately robust, smooth, not i^nnctate. Head suboval, punctate; 

 a longitudinal median dei)ression; no sulci. Antenna' rather short, 

 articles 1*1-24, the tirst four not hirsute. Prost«'rnal teeth 4-|-4, rather 

 large, inner coalesced; coxal tooth large, uiuirmed. The first 15 dorsal 

 l)I{ites immarginate; sulci deep; posterior borders not wrinkled. Sulci 

 of ventral plates well marked; last ventral plate short and wide, sides 

 converging, i)osterior margin truncate. Second tarsal joints of all the 

 legs except anal armed. Anal pair of legs short and thick ; spines large, 

 5-<> in two rows on the superior interior surface, 2 or 3 each on the inner 

 and inferior interior surfaces, beneath 10 in two rows; apical process 

 slender, bifid. Posterior margin of anal i)leura' slightly ecmvex, apex 

 with 3 or 4 s]unes, also 1 marginal. Length, 90""". 



The collection contains three specimens of this species, of which one 

 is in a good condition. It is distinguished from pachi/jms by having the 

 anal legs less crassate; from pernix by having the spines of anal legs 

 less numerous. 



19. Scolopendra hirsutipes, sp. nov. 



Diaffnosis. — Felated to Scolopendra hero^y but the tarsi of anal and 

 penultimate pairs densely and shortly hirsute; spines on the ujiper in- 

 terior surface of femora 3 or 4 in two series. 



Type. — n. S. Nat. Museum. 



Huhitdt. — West Indian fauna. 



Description. — Yellowish brown, posterior margin of dorsal plates 



