PLATE 16. 
1-14. Echinonéus cyclostomus LEskKE. 
Sphaeridia. 
1-4— Aleoholic specimen, test measuring 12 mm. long, from Fakarava Island, Paumotu Islands. 
1.— From right anterior ambulacrum, height 0.13 mm. 
2.— From odd anterior ambulacrum, height 0.13 mm. 
3.— From left anterior ambulacrum, height 0.12 mm. 
4— From left posterior ambulacrum, height 0.13 mm. 
5-7.— Dry specimen, test measuring 34 mm., 8, test measuring 30 mm. long, from Lord Howe Island. 
5.— Both from odd anterior ambulacrum, height 0.16 mm. . 
6.— From left anterior ambulacrum, height 0.10 mm. 
7.— From left posterior ambulacrum, height 0.16 mm. 
8.— Both from right anterior ambulacrum, height 0.18 mm. 
9-14.— Aleoholie specimen, test measuring 1S mm., 13-14, test measuring 10 mm. long, from Makemo 
Island, Paumotu Islands. 
9.— From right posterior ambulacrum, height 0.13 mm. 
10.— From right anterior ambulacrum, height 0.14 mm. 
11.— From odd anterior ambulacrum, height 0.15 mm. 
12.— Both from left posterior ambulacrum, height 0.13 mm., 0.14 mm. 
13.— Both from right posterior ambulacrum, height 0.10 mm. 
14.— From left anterior ambulacrum, height 0.9 mm. 
. 
All equally magnified. 
