12 NOTES ON MILLIPEDES. 



the jungle at midday. It was about 9 inches in length (230 mm.) 

 I have also found large Thyropygi in Johore, from near sea- 

 level near Johore Bahru, to 1000 feet elevation on Grimong' 

 Pulai. 



11. Thy ropy gas sp. 



Another species of this genus 1 have found very numerous 

 on Penang Hill from 2200 to 2500 feet elevation : it reaches 

 4-| inches in length (114 mm.). Its colour, when alive, is as 

 follows : upper parts dark olive brown, with transverse bands of 

 lighter and darker brown, there is a pale yellowish-brown verte- 

 bral line, which interrupts the narrow dark brown bands but not 

 the wider paler bands. The lower parts and legs are pale red- 

 dish yellow. 



Family Spirobulida'. 



Genus Trigoniulus. 



Labral peres 2 -{-2. First dorsal plate acutely angled. 



12. Trigoniulus goesii (Porat). 



This small round red Millipede is extensively distributed in 

 the East and West Indies, and has got introduced into conser- 

 vatories in England. I found it numerous in : — 

 Singapore; Spring of 1896, October 1897. 

 Penang ; Botanical Gardens, March 1898. 

 Penang; the Crag, 2260 feet elev., March and Nov. 1899, 



March 1898. 

 Perak ; Taipeng', May 1898 ; Kuala Kangsa Pass and Batu 



Gajah, Dec. 1896. 

 Kedah ; Alor Star, June 1898 ; and I found an allied 



species near Kulim, Kedah, in May 1895. 



13. Trigoniulus sp. The red-legged Trigoniulus. 



This species was very numerous in Bangkok during the 

 rainy season from x\pril to August, and was also numerous on 

 Kosichang. In Bangkok in June specimens were observed 

 copulating. 



The number of segments of adults varies from 55 to 60. 

 Males reach 74 mm, in length, females 80 mm. 



