322 Rev. II. T. Lowe's Descriptions of Two Spiders, 8)C. 



sicut ScytoJes ab affinibus suis, statim distinguitur. Genus a Scytode 

 omnino distinctum. In Scytode vera fScyt. thoracicd, Latr., et Scyt. velu- 

 tind, nob.), thorax elevatus: ocuU triangulum delineant, lateralibus 

 tuberculo impositis: mandibular urn unguis minutissimus : tardigrada, 

 telam praedsejacit: quieta, pedibus elevatis insistit: pedes quarti, primi 

 deinde, turn secundi loiigiores 



Species, Loxosceles citigrada, Hein. et nob. 

 Tab. Supp. XLVIII. fig. 1, 2, 3, 4, 6, 7,9, 11, 12 et 14. 

 Char. spec, idem ac generis.* 

 Ha6. in domibus Maderee : inter chartas, fossilia, aliaque Museorum, 

 &c, degens. Rariss. v. v. et ^ et $ . 



Explanation of the Plate. 

 Tab. Supp. XLVIII. 

 Fig. 1 . $ Loxosceles citigrada at rest, in natural attitude. 



2. Ditto ditto, at rest, watching for prey. 



3. ^ Ditto, taken when dead, to exhibit proportionate length of 



legs. 



4. One of the palpi of ditto, ditto ; with the $ organ. 



5. Ditto of Scytodes thoracica, Latr., with ditto for comparison. 



6. Lip flanguette. Latr.,) and maxillse fmachoires, Latr.,) of $ 



Loxosceles citigrada. 



7. Profile of head of ditto, ditto; (perhaps not quite correct as 



the legs were in the way.) 



8. Ditto of ditto of $ Scytodes thoracica, Latr. 



9. Eyes of ,J Lax. citigrada ; central pair geminated, and on a 



slight tubercle ; lateral pairs subgeminated, and not on a 

 tubercle : all with orbits. 



10. Ditto of ^ Sc}/t. thoracica, Latr.; two lateral pairs on tuber- 



cles; central not: all geminated. 



11. One of the palpi of $ Lox. citigrada ; will answer equally 



for Scyt. thoracica, Latr. 



• TLe follow ino^ are the proportions of a $ Loxosceles citigrada hy zccurate 

 measurements. 



Thorax 1^ line; abdomen about 2 lines; second pair of legs 10^ lines; first 

 and fourth pair each 2 lines; third pair 7^ lines. 



