On new Aquatic Annelids. 137 
Dimensions of the type (measured on skin) :— 
Head and body 240 mm. ; tail 93 ; hind foot 40. 
Skull: median length 54; greatest diagonal length 57 ; 
condylo-incisive length 56; Zygomatic breadth 39°5 ; nasals 
18 x9; interorbital breadth 14:7; least breadth across brain- 
ease 24°5; bimeatal breadth 38°53; palatilar length 25 ; 
diagonal length of bullae 17°7, breadth at right angles to 
last 8°5. Upper echeek-tooth series (crowns) 11°8, diameter 
of p* 5. 
ies Esperanza, near Conception, Prov. Nuflo de Chaves, 
I. Bolivia. 
Type. Adult male. B.M. no. 20.11.17.6. Original 
number 4. Collected July 1919, and presented by Walter 
Goodfellow, Ksq. 
This tucu-tucu is no doubt nearly allied to C. boliviensis, 
bat differs by the cranial characters above described. The 
species from Matto Grosso described by Ribeiro as C. rendoni 
and breolor aie evidently different in colour, and their cranial 
measurements are quite inconsistent with those of C. govd- 
fellow, 
“ From the forests.”—W. G@. 
XIL—Two new Aquatic Annelids. 
By Hiiperic Frienp, 
1. Sparganophilus elongatus, Fr. 
Tn 1910 Mr. Bartlett, of Pencarrow, Washaway, Cornwall, 
sent me some annelids from the bottom of a slate tank in 
which water-lilies were grown. Among them were a number 
which were new to me, ‘These were provisionally named 
Helodrilus elongatus (3). I have recently had occasion to 
examine them afresh, and find that they belong to the genus 
Sparganophilus. ‘The trivial name is retained, and the worm 
is now described as Sparganophilus elongatus, Friend. 
When fully extended Sp. elongatus measures from 7 to 8 
inches, agreeing in this respect with Sp. edsend, Smith. 
Number of segments 200 to 250, which may be compared 
with Sp. benhami, Eisen. Colour chocolate-brown, the 
anterior segments flesh-coloured. The girdle is clay-coloured 
and extends from segment 15 to 27. I found the tubercular 
bands in one specimen on segments 19-22. In April, when 
the material was collected, maturity may not have been fully 
attained. ‘his may be the reason why I failed to find any 
