Editorial Comment. 61 
The group Eetiro and Eponomia comprises the San 
Jose, San Rafael, Cren de Ritas, Triangulo, Conveniencia, 
Girasol, Piano, Alianza, Constancia. Escondida, Elvira, Elvi- 
rita, Magdalena, Mariana y Rafael a, Gran a Kubie, Carmen, 
Carlota, Sur. 
The group Giiira y Cajobabo. — Coneepcion, Stma Trinidad, 
Duarte, Paulina, West, Este, Pilar, Pater, Cuba, Sail Sebas- 
tian, Laura. 
The group Berraco containing Ave Maria, La Trinidad, La 
California y Nueva Caridad. 
Group Uberu. — Fausto, Fausto 2, Bufera, Falconera, Clar- 
ence, King, Skilton, Delicia, Mascota, Antonia y Carolina, 
Isabel, Ceres, Vesta. 
Group Sigua, or Awayo de la Plata. — Rea, Alfeo, Awayo de 
la Plata and Avetusa. 
Group Limoncito. — San Jose and Manuelico. Mineral zone 
west of Santiago de Cuba. 
Group Nimanima. — Algeria, Boston. Philadelphia, Nueva 
Bilbao, Laffayette, Denver, Yunque. 
Group Cuero. — Enrique, Aragon, Picardia, Acorosait, Cald- 
well, Mina A, B, and (', Solo. 
Group Guama. — 
Analysis of various mines: 
p. c 
Fe 59.12 
Si O, 14.85 
P ..." 0.38 
S 0.40 
( 'opper. 
Four leagues northeast of Santiago de Cuba is the Villa del 
Cobre, near which are grouped many copper mines. The old 
mines of Consolidada, [sabelita, Santuario, San Jose, San Joa- 
quin, Ferseveraneia, Angelita, San Andres. Two kilometers 
north of Santiago de Cuba are other copper mines, fcowit : 
San Pedro, San Jose N Sra del Carmen, San Francisco, San 
Felieiano, Ntra Sra tie Dolores. 
The Cuabite group is composed of Conchita, Encarnacion, 
Mina Espafiola Noertina. Cuba. 
There are copper mines near Sigua, with : tOto L8 per cent. 
of copper, and the group of Brazo de Canto, which latter is 
