Found this plano on page 48 of sevilla archives of the layout of Veracruz, Castillo Ulua and several ships with their names such as:
Concepcion
Soledad
Paquebot
Castilla
Arrogante
Flora
Tridente
Vencendor
Aguila
Villarra
http://oi62.tinypic.com/2zyvjbm.jpg
http://oi60.tinypic.com/ooeq1.jpg
I have this link to look up navios of Spain:
1763 plano of Veracruz,
To go with it a detail plano of the city of Veracruz also found on page 48 of mapas/planos of sevilla archives:
http://oi60.tinypic.com/157k877.jpg