120 MB. E. M'LACHLAN ON THE INSECTA COLLECTED 



dark chalybeoua in colour. Indicated as having been found under 

 stones. 



AEACHNIDA. 



Araneidea. 

 The materials collected on the Expedition have been noticed 

 and described (with other Arctic species) by the Eev, O. Pickard 

 Cambridge, in the ' Annals and Magazine of Natural History,' 

 4th ser. vol. xx. pp. 273-285, pi. viii. (October 1877). 



Fam. Agelenides. 

 Tegeistaria detestabilts, Camhridge, sp. n., I. c. p. 275. 

 One example, Dobbin Bay, 28th Aug. 1876 {Feilden) ; found in 

 a cabin on board the ' Alert,' and supposed by Capt. Eeilden to 

 have been introduced with plants, which were collected by nearly 

 all the officers. 



Earn. Theeidiides. 



Ebigone pstcheophila, Thorell ; Cambridge, I. c. p. 278, pi. viii. 

 fig. 4. 



One example without indication of locality. Two females from 

 lat. 82° 33', June 21st and 24th, 1876, perhaps also belong 

 here. Capt. Eeilden {in litt.) says this spider was very common, 

 and occurs as far north as he reached. Found also by the 

 American ' Polaris ' Expedition at Polaris Bay. Originally re- 

 corded from Spitzbergen. 



Erigone peovocans, Camhridge, sp. n., I.e. p. 279, pi. viii. fig. 5. 



Adults of both sexes found in lat. 82° 27' and 82° 83', June 

 1876. Capt. Feilden says this also was common. 



E. VEXATEis, Cambridge, sp. n., /. c. p. 280, pi. viii. fig. 6. 

 One adult female from Discovery 'Qdij {Hart). 

 In addition to these there are several examples of the genus 

 declared by Mr. Cambridge to be indeterminable. 



Fam. Ltcosides. 



Ltcosa glacialis, Thorell ; Cambridge, I. c. p. 281, 



Three examples from Hayes Sound, lat. 79° {Feilden), and two 

 from Discovery Bay {Hart). Found also at Polaris Bay. 



Taeentula exaspeeaks, Cambridge, sp. n., I. c. p. 283, pi. viii. 

 fig. 7. 



An adult male from Discovery Bay {Hart). 



