No. 1] CALCAREOUS ALGÆ FROM FUNAFUTI. 9 



objects, or stick to the rocks, attaining a thickness of up to 

 15 mm. 



The spedes seems to be abundant at Funafuti. The following 

 localities are known. 



A. No. 11. Reef Platform, Funafuti. Well developed speci- 

 mens partly attached to rocks partly lumpy Corals or nearly allied 

 animals, occasionally forming almost alternating layers with the latter. 



A. No. 12, in part. Ocean Platform opposite drill Camp, 

 Funafuti. Here growing in company with Lithophyllum craspe- 

 clium and Goniolithon frutescens. 



A. No. 14, in part. Fualopa, Funafuti. Vigorously developed 

 specimens up to nearly 15 mm. in thickness. 



A. No. 15. „Crimson and reddish brown Nullipore from Pava 

 Islet, Funafuti; together wit a large Actinozoan". Well developed 

 specimens of the present species. 



A. No. 16, in part. Fualopa, Funafuti. Vigorously developed 

 specimens, together with Lithophyllum craspedium. 



A. No. 28. Funafuti. A branched Coral with a rather thin 

 coat of the present species. 



A. No. 50. „Thick growth of Nullipore from the shoals in 

 the Lagoon close to main village, Funafuti, about one foot below 

 iow water spring tide". Vigorously developed specimens of L. 

 onkodes up to 15 mm. in thickness. 



Besides these specimens, that mentioned in my Notes is from 

 „consolidated rock, forming platform Hurricane Beach, Funafuti". 

 The latter grows together with a Coral. 



Goniolithon (Cladolithon) frutescens Fosl. mscr. 



f. typica. 



f. flabelliformis Fosl. mscr. 



Thallus attached to rocks or Corals by a thin crust, shrubby 

 or forming much branched balls up to 10 cm. in diameter. Branches 

 repeatedly subdichotomous, or irregularly divided, terete or sub- 

 compressed, with rounded or truncate ends, upper branches fre- 

 quently 1.5 — 3 mm. thick, or (f. flabelliformis) the branches com- 



