294 



?"/ ansactions. 



to me by Dr. Chilton. It agrees very closely with the description given 

 by Hansen (loc. cit.) of Scutigerella caldaria Hansen, but differs in the number 

 of joints of the antenna. This will be referred to in the description given 

 below. 



Scutigerella caldaria was described from specimens found in hothouses 

 in Copenhagen and Paris. Dr. Hansen had specimens of this species from 

 South America also, and he states (loc. cit.) that the South American speci- 

 mens very probably belong to the original form from which the specimens 

 in the European hothouses have descended. 



The presence of the same species in New Zealand also is another of the 

 now fairly numerous examples of an animal whose means of distribution 

 are limited being found in New Zealand and South America, and is further 

 contributory evidence of the former existence of a land connection, probably 

 by way of the Antarctic Continent, between these two countries. 



Scutigerella caldaria Hansen. (Figs. 1-6.) 



Scutigerella caldaria Hansen, Q.J. M.S.. vol. 47, p. 36. pi. 2, fia;s. 3a-3g. 

 1904. 



Head. — Seen from above broad, anterior margin straight, postero-lateral 

 angles rounded 



Fig. 4. 



Fig. 2. Fig. 3. 



Fig. 1. — Scutigerella caldaria Hansen. 



Fig. 2. — Terminal joint of antenna. 

 Fig. 3. — 36th segment of antenna. 

 Fig. 4. — Claw of 1st leg, left side. 



Antennae (figs. 2 and 3). — Segments 44 in number. The setae on the 

 inner side of the proximal whorls not longer than those on the outer side. 

 The secondary whorl beginning on the 11th joint, the upper whorl com- 

 mencing on the 25th segment. The terminal segment with one large and 

 one small striped organ, both on low protuberances. Hansen states that 

 there are from 23 to 28 antennal segments, and that the secondary whorl 

 commences on the 7th segment. The specimen I have described is much 

 larger than those Hansen described — his were from 2-8 mm. to 4 mm., mine 

 is 6-25 mm. — and, taking this into consideration, I do not think that the 



