in llie British }ru!ieum. 141 



Museo Civico Storia nadir. Genovn, sor. 2", vol. ix. (1890) 

 pp. 401-454, tav. xiii.-xvii. 

 (ii) L. B.ALZAN. "Voyage de M. E. Simon au Venezuela: Aracli- 

 nides, Chernitps fPseudofscorpiones)," Ann. Soc. Ent. France, Ix. 

 (1801) pp. 407-002, pis. ix.-xii. 



(12) N. Banks. " Xew Chernetidan from the United States," Canad. 

 Ent. XXV. (1803) pp. 64-07. 



(13) N. Banks. "Notes on the Pseudoscorpionida," Journ. New 



York Ent. Soc. 189o, pp. 1-13. 



(14) N. Banks. " Arachn'da from Baja California and other partg 

 of California," Proc. Cal. Acad. Science, ser. iii. ZooL vol. i. 

 no. 7 (1898) pp. 20.V308, pis. xiii.-xvii. 



(15) H. J. Hansen. " Organs and Characters in different Orders of 

 Arachnids," Entomol. Medd. Ent. For. Kjobenhavn, iv. (1893-94) 

 pp. 137-251, pis. ii.-v. 



(16) E. J. Lewis. " On an undescribed Species of Chelifer,''' Journ. 

 Quekett Micros. Club, (2) viii. (1903) pp. 497-498, pi. xxv. 



The following- list contains papers dealing with abnor- 

 malities in the segmentation of Arthropods and Annelids 

 published after Mr. Friend^s Bibliography : — 



(17) H. FniEND. " ' Hare-lip ' in Earthworms,'' Nature, xlvii. (1893) 



pp. 316-317. 



(18) C. J. CoRi. " Ueber Anomalien der Segraentirung bei Anneliden 



und deren Bedeutung fiir die Theorie der Metamerie," Zeitschr. 

 wiss. Zool. liv. 1802, pp. 569-578, Taf. xxv. 



(19) T. II. MopGAN. "Spiral Modification of Metamerism," Jouru. of 



Morph. vii. (1893) pp. 245-251. 



(20) F. Buchanan. " Peculiarities in the Segmentation of certain 

 Polvchsetes," Quart. Journ. Micr. Science, xxxiv. (1893) pp. 529- 

 544l pi. xlii. 



(21) W. Bateso.v. ' Materials for the Studv of Variation.' London, 

 1894. Chapter VI. " Imperfect Segmentation," pp. 156-150. 



(22) E. A. Andrews. " Some Abnormal Annelids," Quart. Journ. 



Micr. Science, xxxvi. (1894) pp. 435-400, pis. xxxii. -xxxiv. 



(23) F. D. MoRicE. Proc. Ent. Soc. London, 1901, p. xvii : Meeting, 



October 16, 1901. 



(24) II. J. Hansen and W. Sorensen. 'On two Orders of Arach- 

 uida.' Cambridge, 1904. Pp. 1-178, pis. i.-ix. {Stylocellus 

 sumatranus, Westwood, pp. 96-97, pi. ii. fig. 4 a.) 



EXPLANATION OF THE PLATES. 

 Plate VI. 



Chelifer bifissKS, Sim., 5 • 



Fig. 1 a. Left galea, X 335. 



Fiff. 1 b. Left palp, X 37. 



Fi(/. 1 c. Left leg i., x 65. 



Fig. 1 d. Left leg iv., X 65. f, " tactile " hair. 



Fig. 1 e. Tip of left tarsus i., X 335. 



Fig. 1 f. Tip of left tarsus iv., X 3-35. 



Chelifer australiensis, sp. n. 



Fig. 2 a. Ventral view of cephalothorax, X 24. a, anterior genital plate ; 

 p, posterior. 



