Pyramidellidae de Pho-Hai (sud Viêt-Nam)

After having pointed out their distribution into several subfamilies, genera, and sub-genera of Pyramidellidae, this note describes 44 species of this family. Forty-two were collected by the author in the beach sands at Pho-Hai, near Phan-Thiet (South-Vietnam) and two were dredged off Phan-Thiet by the Nha-Trang Oceanographic Institute. Among these species twenty-one are new: Cossmannica champaensis, Odostomia (Odostomia) chamorum, O. (Megastomia) elata, O. (Megastomia) binhdinhensis, 0. (Megastomia) gestroides, O. (Jodanula) megembryon, Pyrgulina (Standeniella) difficilis, P. (Parthenina) monicae, P. (Pyrgulina) phohaiensis, Chrysallida phanthietina, Egilina gigantea, E. babellina, E. (Numaegilina) ventricosa, Babella cylindrica, B. crassicostata, Miralda franciscae, Turbonilla barthelemyi, T. (Asmunda) secta, Pyrgiscus infantilis, Careliopsis sublaevis, Cingulina inaequalis.

La carte de la végétation de la presqu'île de Cam Ranh (Région de Nha Trang). Note n° V: Introduction à l'étude de la végétation des sables littoraux du Sud Viêt-Nam

The 1:50000 Vegetation Map of Cam Ranh Peninsula is one of the first study performed in South Vietnam; it aims to locate various vegetation on coastal sands and it represents a synthesis of phytogeographic observations. (Barry J.P. and Phung Trung Ngan, 1960, Barry J. P., Le-Cȏng-Kiet Hoang and Pham-Hȏ, 1961 Barry J. P., Le-Cȏng-Kiet and Vu-Van Cuong, 1961).

Introduction à l'étude de la végétation des sables littoraux du Sud Viêt-Nam. Note no. III: Les associations végétales de la presqu'île de Cam-Ranh (Région de Nha-Trang)

The natural vegetation on the coastal sands of Central and Southern Vietnam seems to not be in relation with the chemical composition of the sands, but with the age of sediments.

Contribution à l'étude du peuplement du littoral rocheux du Vietnam (sud)

In this part 1, after a brief description of the habitat, the author describes in details (in descending order) the supralittoral, littoral and infralittoral zones. The author describes many permanent groups of Cyanophyceae in the higher horizon of intertidal zone, the cosmopolitan group of Navicula Grevillei, Hildenbrandtia prototypus, the pantropical group of Calothrix pilosa, Chaetomorpha antennina, indopacific group of Dermonema Frappieri, Sargassum, Padina, Thatassia Hemprichii, Halophila. The group of cold or temperate habitat with Bangiophycideae are present in winter. Some are described, formed by the oysters, Vermetus or Cirripeds, or by the algae (Calothrix, Brachytrichia, Gelidium, Dermonema, Chaetomorpha).