410 
irregularly back to meet behind. A band of 
oblique dark marks on each side. 
SUMMARY 
Additions are made to the lists of spiders 
known from various Pacific islands, and five 
new species and one new genus are erected: 
T etrablemma samoensis, Tetrablemmidae from 
Samoa; Clubiona upoluensis and C. zimmermani, 
Clubionidae, from Samoa; Flacilla kraussi, Salti- 
cidae, from Aitutaki; Swainsia armata gen. et 
sp. nov., Agelenidae, from Swains Island. 
PACIFIC SCIENCE, Vol. XVIII, October 1964 
REFERENCES 
Berland, L. 1929. Araignees (Araneida). In: 
Insects of Samoa, Pt. 8:35-78. Brit. Mus. 
(Nat. Hist.) Lond. 
Marples, B. J. 1955. Spiders from Western 
Samoa. Linn. Soc. Lond. J. (Zool. ) 42:453- 
504. 
Sakagami, S. F. 1961. An ecological perspec- 
tive of Marcus Island, with special reference 
to land animals. Pacif. Sci. 15:82-104. 
