DIAGNOSES OF NEW SPECIES OF MACRUROÜS DECAPOD CRUSTACEA EROM THE „SIBOGA-EXPEDITION" BT J. G. DE MAN. This paper coutains the diagnoses of 15 new Species and of 8 new Varieties, all belonging to the genera Alpheus Fabr. aud Synalpheus Sp. Bate. The Macrura, collected by the „Siboga-Expedition", are at present at lerseke, bub will be transferred to the Zoological Museum of the University of Amsterdam, as soou as they have been worked out. 1. Alpheus malleodigitus (Sp. Bate), var. gracilicarpus, n. Station 66. Bank between islands of Bahuluwang and Tam-boluugan, South of Saleyer. Depth 8 to 10 M. Station 93. Pulu Sanguisiapo, Tawi-Tawi-islands, Sulu archi-pelago. Depth 12 M. Station 99. Lat. 6° 7'. 5 N., long. 120° 26' E. Anchorage ofi North-Ubian. Depth 16— 23 M. Station 282. Lat. 8° 25'. 2 S., long. 127° 18'. 4 E. Ancho-rage between Nusa-Besi and the N.-E. point of Timor. Depth 27—54 M. 1) The first Part, containing the diagnoses of 28 new Species and of l new Variety, was published in 1905 in the „Tijdschrift der Ned. Ilierk. Vereen." (2) T. IX, pp. 58? — 614, the second Part with 19 new Species and 1 new Variety in 1907 in the »Notes from the Leyden Museum," vol. XXIX, pp. 127—147, the third Part with 11 new Species and 2 new Varieties in 1908 in the saine. Vol. XXX, p. 98 — 112.
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