5- A NATURALIST IN THE PACT 



according to the synonymy accepted by some authors it is also to be 

 ascribed to America. The genus is chiefly Australian, and it is possible 

 that the littoral species may have reached America through the agency of 

 birds, since all the species of the genus possess fruits that would attract 



liu^iVUrOUS DUuS. 



(Boj.).-Old World. 



Ip*me* pa aprm. Old and New Worlds. 



Vitex fri/**,O\d World. The genus is also dispersed by pigeons. 



Cassytka j&finmis. Old and New Worlds. Like Soevola the genus is 

 chiefly Australian, and here, also, the fruits of the littoral species are not 

 only dispersed by the currents, but are known to be also disseminated by 



It is possible that birds may have taken a predominant part in th 

 persal of the species of Scaevob, Vitex and Cassytha. 



There thus remain nine species for consideration. Of these two 

 are exclusively American, three are found in both the Old and New 

 Worlds and four are usually regarded as exclusively Old World plants, but 

 one of them (Cotubrina asiatica) has a fair claim to be regarded as of 

 American origin. Thus it is quite possible that six out of these nine 

 plants were brought to Hawaii from America through the agency of the 

 currents. 



NOTE 37 (page 78) 



OW VlYIPARV IX THE FRUITS OF BARRIXGTOXIA RACEMOSA AND 



CARAPA OBOVATA 



A ? observed by me in the Rewa delta, Fiji, there was no 

 evidence of such a process in the case of the fruits on the trees ; but I 

 not pay very special attention to the matter, and it will be gathered 

 Chapter XXX. that the initial stage of germination may show no 

 in the appearance of the fruit. More observation is needed for 

 species. As indicated in Note 50, the structure of the seed of 



is suggestive of a lost viviparous habit. With regard to 

 (p. 43) lemaiks that he has never observed vivipary ; but 

 in his Flora Imdue Bataria^ particularly speaks of the seeds 

 in the capsule. I think this is very likely, and that perhaps even 

 mutme of the capsule may be partly due to this cause 



XOTE 38 (page 78) 



Ox THE TEMPERATURE AXD DENSITY OF THE SURFACE-WATER OF 

 ESTUARIES OF THE REWA RIVER nr FIJI, AMD OF THE GUAYJ 

 RIVER ra ECUADOR 



(a) Tke Rcmm Eshuuy. My observations were made mostly in 

 wet seasons, from October to January, 1897-99, and generally 



