339 



fi ngeus subproductum : metathorax sat magnus, rugosus, transversus, abrupte decli- 

 vis : petiolus brevissimus : abdomen breviovatum, nitens, Iseve, thorace paullo brevius, 

 segmentum Imum ejus dimidium occupans, fere glabrum ; 2dum punctatum, Imo 

 multo brevius ; Sum et sequentia adhuc breviora : pedes nigri ; profemora et mesofe- 

 mora apice flava ; metafemora ovata, maxima, subtiis multidentata, apice flavo macu- 

 lata; tibiae flavEe; tarsi flavi, apice picei: alas limpidae; squamulas flavas; nervi picei: 

 nervus humeralis ulnari fere duplo longior ; ulnaris radiali duplo longior ; radialis 

 cubitali plus duplo longior; cubitalis brevissimus, apice latior, non furcatus, radiali 

 angulum acutum fingens. (Corp. long. lin. 2j ; alar. lin. 4). 



Inhabits Brazil. In the collection of Mr. Shuckard. 



Hockeria Hydara. Fem. Ater, antennae picese, tarsi rufi, alse fusco 

 subfasciatse. 



Corpus convexum, atrum, obscurum, punctatum, pubescens: caput breve, trans- 

 versum, thoracis latitudine ; vertex sat latus ; frons abrupte declivis, ad antennarum 

 receptionem excavata : antennae extrorsiim crassiores, graciles, compactae, piceae, ad 

 OS insertae, thorace paullo longiores ; articulus Imus longissimus, sublinearis ; 2us et 

 3us rufi ; 4tus et sequentes valde approximati : thorax ovatus : prothorax transversus, 

 brevis : mesothoracis scutum longitudine latius ; parapsidum suturae conspicuae ; scu- 

 tellum obconicum, apice aciem fingens : metathorax brevis, declivis : petiolus brevis- 

 simus : abdomen ovatum, nitens, Iteve, apice acuminatum, subtiis nisi ad apicem cari- 

 natum, thorace paullo longius et angustius : oviductus nou exertus : pedes nigri ; 

 trochanteres picei ; genua rufa ; tarsi rufi ; metapedum femora magna, ovata, crassa, 

 subtus dentata ; tibiae valde arcuats : alae angustas, sublimpidas, fusco obsolete fasci- 

 atae ; proalis nervus humeralis ulnari plus triplo longior, ulnai-is cubitali plus duplo 

 longior; radialis nuUusaut brevissimus, cubitalis brevissimus, apice latior, non furcatus. 

 (Corp. long. lin. 1^ ; alar. lin. 2j). 



Inhabits Brazil. In the collection of Mr. Shuckard. 



Francis Walker. 



Art. ULXXyill.— Varieties. 



182. Singular growth of Fungi. A very curious example of the 

 growth of Fungi within the living animal body has lately been de- 

 tected, and the knowledge of it has proved of great importance. The 

 silkworm breeders of Italy and the South of France, especially in par- 

 ticular districts, have been subject to a considerable loss by a disease 

 termed muscardine, which sometimes attacks the worms in large num- 

 bers, just when about to enter the chrysalis state. This disease has 

 been ascertained to be due to the growth of a minute vegetable of the 

 fungus tribe, nearly resembling the common mould, within their bo- 

 dies ; it is capable of being communicated to any individual from one 



