728 REY. 0. P. CAMBRIDGE ON NEW ARANEIDEA. [Nov.], 
Family Hesrerip&, Leach. 
Subfamily PaMPHILIN&. 
Under this heading I would include all the genera having a short 
thick club of the Pamphila type to the antenne, and terminating 
at a right angle in a short pointed hook, such as Proteides, Carystus, 
Pamphila. 
Genus Pampuita, Fabricius. 
1. PAMPHILA MATHIAS. 
Hesperia mathias. Fabricius, E. 8. Suppl. p.433. n. 289, 290 (1798). 
* Gujerat, on flowers.” 
10. On some new Genera and Species of Araneidea. 
By the Rev. O. P. Camsriner, C.M.Z8. 
(Plate XLIV.) 
Among the Spiders described in the present paper are several of 
the greatest possible interest to the scientific arachnologist. We 
find one (Stenochilus hobsonii) presenting the almost unique cha- 
racter of possessing but ¢wo spinners* ; another (Aphantochilus 
rogersii), from Minas Geraes, Brazil, appears to be entirely without 
the /abium, a portion of structure the absence of which is, I believe, 
unknown in any genus of Araneidea at present characterized. The 
resemblance of this Spider to some of the large-headed, horny, spine- 
bearing Ants of South America is very striking, and forms an un- 
mistakable instance of similarity between individuals of two very 
widely separated groups of the Articulata. This similarity no doubt 
carries with it some advantage to one or the other—probably to the 
Spider, as being the most likely of the two to derive advantage from 
such a resemblance—which doubtless sums up a long succession and 
progress of small advantages. It is unfortunate that the term 
mimicry should have been given to this and other like curious re- 
semblances, since that term seems to many naturalists to imply con- 
sciousness or volition on the part of the creature supposed to be the 
one which resembles another; and this certainly unfounded impli- 
cation casts discredit upon the deep natural truth which the resem- 
blance embodies. 
Another of the Spiders (Moneta spinigera) described below, is 
interesting as affording a tolerably certain clue to the family affi- 
nities of a small group (Scytodes and Omosita) which has ap- 
peared to me widely separated hitherto from the Theridides, with 
which family the genus Moneta seems to connect it. I observe, 
however, that in a work on European Spiders just published, Dr. T. 
Thorell, of Upsala, places this group side .by side with the family 
* Another instance of this peculiarity is found in the genus Palpimanus 
(Dufour). 
