ARACHNIDA—RAINBOW. 9 
Series No. 3 contains four adult females, one about half-grown, and one very young 
example, and the collector’s note accompanying the series is as follows :—“‘ Spiders 
(Myro hamilton). Taken under stones on site of Victoria penguin rookery (deserted). 
North end Macquarie Island. Date: 16.8.12. Colour: light brown.” 
An examination of the specimens collected by Mr. Hamilton, as narrated above, 
disclosed the fact that the species not only shows a close affinity to M. kerguelenensis 
Camb., but also it is exceedingly variable in point of colour pattern in both sexes, and 
Fig. 3—Myro hamiltoni 2? Hogg. Fig. 4—Myro hamiltoni 2? Hogg. 
Abdomen. Abdomen. 
Fig. 5—Myro hamiltoni 9 Hogg. 
Abdomen. 
Fig. 7—Myro hamiltont 2 Hogg. 
Fig. 6—Myro hamiltoni Hogg 2 
Abdomen. 
Abdomen. 
to demonstrate this I submit herewith five figures of the abdomen (figs. 3-7) and two 
(figs. 8 and 9) of the male. Some of the females are decidedly pretty. The darker 
coloured forms are the commonest, and their ornamentation may be taken as the most 
typical ; the white patches, where they occur, as also the white bars—whether longi- 
tudinal or transverse—are delicately reticulated ; in some examples there is also a 
