TIIK MVK'IAPODA OF NORTH AMKHICA. I»7 



TliLs 8iH5cies shows rrlatioiisliip to F. rififinintxix by tlie coxii' of cop- 

 uliitiou loot lu'iny |>rovi<U'(l with a loii;;, straight spiiu'. It also a-^rees 

 w ifh th«' iiioif east«'iM spcciiiieiis of F. rirf/itiirn.sis l>y ha\ in;;: the v«'n- 

 tral phitt's ami coxa- spiiM'd. F. y('in-<jiiin<t is dcsjiihed tn)in nunuMoiis 

 spi'ciiiKMiS Ironi Macon, a lew JVoin Tallulah, and our tVoni Lookout 

 Mountain. 



16. Foiitaria tallulah, np. ih)\ . 



DiiKliinsis. — X'cntral piatrs and coxa- spinrd as in F. i/mrfiitinH. but 

 separatrd from that species l)y h;!\in<; the lateral carina- and posterior 

 iuar;;in of dorsal plates red; posterior aiij^le of lateral cariua* rather 

 sharply ]»roduced. 



JItihitxf. — Tallulah, (la.; L. M. Tuderwood. 



TiijH.—Acv. VXtV2, 1*0; IJ. S. Nat. .Museum. 



Ih'HcriptUm. — Hrowtnsh black, lateral carina' and posterioi' border of 

 each se;;nu'nt red; iintenmi'. le<;s. and underpart.-> yellow, tSe^jinents 

 deju'essed, anterior sej^ment moderately attenuat«'d; conu^iated, es- 

 pecially posteriorly and on lateral carina'; papilla' distinct; vertex sul- 

 cus distinct; occipital foveohe U-j--, antennal and dypeal sin^ile (1-1-1). 

 Lateral carina' hnj^e, interlockin^i, posterior an<,de rather shar}>ly pro- 

 duced. IJeiMijiuatorial pores hujie, placed on the upper mar^iin of pos- 

 terior thir<l. \'entral spines straight, stout, and conical, coxa' armed. 

 l^en<;th, L'.j""". 



F. fdllnldli seems to be only related to /*'. (/rtufiiutut by havinji the 

 vt'utral plates and coxa' spined. In the i>uttern of coloration it ap- 

 proaches F. nthfomargimtta, but that species has the ventrivl i>lates 

 unarmed and therefiue belon^is to tlu' same secti<m as /•'. (orruf/ftta, 

 tritles, et«'. This species is described from an appan-ntly adult female. 



17. Foiitaria rileyi, s\<. iiov. 



l>i(i(fn(tsis. — lirown, lateral caiina' red; ventral plate and eo\;e un- 

 armed; copulation foot st«)ul, tlattene<l, end subsimilar to a bird's head. 



2)ipi'. — Ace. 11)542,."), r. S. Nat. Museum. 



Hahiiat. — Macon, (Ja.; L. ]\L Und«*rwood, i. 



Description. — Brown, lateial carina' red; antenna-, le^is, and under 

 parts yellow. Sejuinents moderately dei>ressed. scarcely attenuated 

 anteriorly; very corru^iated, pajulla' not i)rominent; behind each pcue 

 an indistinct black swellin;;". Vertex sulcus shallow, occipital, anten- 

 nal, and clypeal foveohe sinj^le. Lateral carina' hn <ie, interlocking;, pos- 

 terior angle not much ])roduced. la'pu;.;-m>torial jjores large, placed 

 on the ]>o.steri(n' third of margin. \'entral plate unarmed; coxa' not or 

 very slightly armed; femora strongly arnu'd- "hiws normal. Male: 

 Copulation foot stout, llatteiied, curved, end sir ;ir 1o a bird's iiead. 



Length, 4;3..")"""; width, lO.L'""". 



This spe<'ies belongs to the same group as F. inyntu, criihs^ et«-., 

 and should stand neai- the latter, as sh(»wn by the form of the c(»))ula- 

 t ion fo(»t. It is sei)arated fium /•'. rriihs by liaxing the copulation foot 

 I'OUT— No. 10 7 



