406 
Table XXV. Synopsis of origin of Coco Island flora. 
Species possibly introduced, for the presence of which no former land con¬ 
nection need be necessary :—. 288 
Introduced by living creatures . .. 127 
By human agency ; (largely cosmopolitan species) . 33 
Intentionally; (cultivated plants) . 151 
Unintentionally ; (weeds). I8| 
By birds, (perhaps also to a small extent by bats). 94 
Attached externally to their bodies .. 25 
Immediately; (viscous- or prickly-fruited sp.) 9 
By mud; (species introduced by water-birds, 
mainly from the northward) . 16 
Carried in crops of birds ; (almost in equal propor¬ 
tion from northward and from southward) . 69 
As a natural sequence of their mode of life } 
(fleshy-fruited species) . 55 
Accidentally, where bird must have been 
destroyed to admit of germination of seeds ; 
(by seed- and grain-eating birds) : [in¬ 
directly due to agency of wind] . M 
By other natural agencies... 161 
By wind directly; (sp. with seeds specialised for wind-car¬ 
riage ; also small-spored Cryptogams) .... 60 
By the seaj (mainly Malayan species) . 101 
Marine species ; (mainly AZgice). 21 
Littoral species ; (mangrove-vegetation and beach- 
forest species) . 80! 
Species probably remanent and indicating former connection with adjacent 
land, (apparently Indo-China) :—. 70' 
Total of Coco Island species 
358 
From the Proceedings, Asiatic Society of Bengal for Decemho)', ISO'l. 
156 [Deo. 
On a Botanical visit to Little Andaman and the Nicobars.—By D. 
Prain. 
While awaiting the arrival of the “ Investigator ” at Port Blair in 
November 1890, the writer was invited by Col. Cadell, v. C., Chief 
Commissioner of the Andamans, to visit, in connection with the Botanical 
Survey of India, the islands of Narcondam and Barren Island, two places 
216 
