No doubt the female Helota from Lakhon (Siam) in the Paris Museum, determined by me in 1897 ¹) as Helota Vandepolli Rits., is a female specimen of the recently described Helota lugubris from Laos (see page 57 of this volume). The quoted ♀, which is now before me and which measures 12 mm. in length, agrees with the ♂ of lugubris except in the following points, which certainly are sexual differences.