1869.] 409 [Sanborn. 



Bay, Middle Island, New Zealand. The cave is close to the sea shore, 

 and near a very large coal deposit, which occasionally crops out in the 

 interior. The Hadenoeci were rather numerous, but very difficult to 

 catch, disappearing in the crevices of the rocks on the approach of 

 lights. They appeared to be most abundant near the streams of 

 water which percolated tlirough the rocks. The sex of my specimen 

 cannot be determined. 



The genus Hadenoecus is of peculiar interest, for its members are 

 confined to the deepest caves, and no other Ox'thopteran genus is 

 known to be limited in this way. Up to this time three species have 

 been discovered, from very distinct localities; they are the follow- 

 ing:— 



1. Hadenoecus palpatus Scudder. 



Locusta palpata Sulz., Abgek. Gesch. Ins., 83, tab. ix, fig. 2. 

 Gri/Uus pupus europccus de Villers, Entomol., I, 4.51. 

 Phalangopsis araneiformis Germ., Burm., Handb. d. Entom., II, 722. 

 Rhaphidophora araneiformis Burm., Handb. d. Entom., II, 1014. 

 Phalangopsis araneiformis Herr.-Sch., Noraencl., II, 15, 26. 

 Rhaphidophora palpata Charp., Orth. descr. et dep., tab. xliv; 



Germ., Zeitscbr., Ill, 319. 

 Rhaphidophora palpata Fisch., Orthopt. Eur., 200, tab. xi, fig. 1, 1. 



European caves. 



2. Hadenoecus cavernarum Scudder. 



Rhaphidophora cavernarum Sauss., Ann. Soc. Ent. de Fr., [4] I, 



492. 

 Rhaphidophora subterranea Scudd., Proc. Bost. Soc. Nat. Hist., 



Vlir, 8; Gen. Rhaph., 3. 

 Hadenoecus subierrancus Scudd., Bost. Journ. Nat. Hist., VII, 441. 



North American caves. 



3. Hadenoecus Edwardsii Scudder, supra. 



N'eio Zealand caves. 



Mr. F. G. Sanborn exhibited a pair of the. rare and curious 

 little Neuropterous insect, Horeus brumalis of Fitch. 



They were captured at Medford early in the month, and presented 

 to the Society by Dr. Edward P. Colby. One specimen only, a male, 

 was in the Society's museum, and no others, save those in the cabinet 

 of Dr. Asa Fitch, were known to exist in public or private collections. 

 Its structural peculiarities are very great, belonging to the group of 

 which the Panorpidce afford our most common examples ; it is totally 



