28 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 12 



the representatives in Zostcrocarpus, Sporochnus, Carpoinitra, Desma- 

 restia, Dictyota, and Dictyopteris in the Phaeophyceae ; in fact, it is very 

 surprising that there are so many Phaeophyceae which are novelties in 

 this series. 



ISLA EsPANOLA37 



The last and most southern of the islands visited by the Hancock 

 Expedition in 1934 was I. Espafiola (Hood Island), or rather, points in 

 Gardner Bay on its northeast coast. One must note that there is a Gardner 

 I. a short distance southeast of I. Santa Maria, and another one smaller 

 and of less elevation in Gardner Bay. Furthermore, there is an islet in 

 Gardner Bay called Osborn I. on detailed charts. This is where the inter- 

 tidal collecting was actually done, and the dredging was chieHy carried 

 on between the islet and I. Espafiola. The shore collecting was not rich* 

 There was an abundance of a new Derbesia (D. prolifica) on old corals, 

 but very hard to secure in suitable form for mounting. With it were 

 Centroceras and Caulerpa peltata, a good deal of Amphiroa dimorpha, 

 and early stages of Lithophyllum Farlowii. 



Dredging in Gardner Bay fell into two classes, one from muddy bot- 

 tom at about 55 meters' depth and one from a rocky bottom at about 37 

 meters' depth. Both were productive. As one might have expected, the 

 large plants on the soft bottom were few in number, in fact but three 

 species. The rest were delicately filamentous types, and two Callithamnia 

 from this station appear to be new. The hauls from off the rocky bottom 

 brought in, however, many more large species, though few in large 

 quantity, the most striking familiar species being Dasya Stanfordtana and 

 the prominent novelty a new Kallymenia (K. latiloba). From Gardner 

 Bay the Expedition left for Guayaquil, which in following the geo- 

 graphical rather than the chronological sequence has already been dis- 

 cussed in relation to the work of the expedition. 



GENERAL CHARACTERISTICS OF THE 



ALGAL FLORA 



The Chlorophyceae found in the Pacific territory surveyed by the 

 Hancock Expeditions are not a conspicuous feature of the vegetation, and 

 include few striking species. Of the 23 genera and 60-odd species, less 

 than a dozen appear to be novelties, and of these a third are only of varie- 

 tal rank. The flora is not a varied one and lacks much of the interest 



^T Ibid., p. 228, pi. 123, fig. 258. 



