Biological Survey of the Panama Canal Zone (1911)

With the cooperation of several of the executive departments, and of the Field Museum of Natural History, a party of about 10 naturalists was accordingly sent to the zone, and the results so far accomplished have been very satisfactory. Large collections of biological material have been received, including specimens of a considerable number of genera and species new to science. It also seemed important to determine exactly the geographical distribution of the various organisms inhabiting the Isthmus, which is one of the routes by which the animals and plants of South America have entered North America and vice versa. The estimated cost of the survey which would have to be met by the Institution is $11,000...

On the rediscovery of Baseodiscus hemprichii (Ehrenberg, 1831)(Nemertea, Anopla, Baseodiscidae) from Karachi waters

During a study of biodiversity in the Pakistan coast several species of nemerteans were encountered. One is uncertainly identified as Lineus ruber (Muller, 1774), the identification of another is under way. A third, Baseodiscus hemprichii, has previously been recorded from Karachi by Puri (1924). He gave a detailed description of his specimens, but no illustrations. Baseodiscus hemprichii has been collected many times from rocky areas on the Karachi coast, but on only one occasion was it photographed and then drawn. The species is briefly described here.